Materiały źródłowe

• #1 Small Intestinal Bacterial Overgrowth – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK546634/

  Small intestinal bacterial overgrowth (SIBO) is the presence of excess colonic bacteria in the small intestine. […] The etiology of small intestinal bacterial overgrowth is complex. It can be from motility, anatomic, immune, gastric hypochlorhydria, and metabolic and other systemic disorders. […] Important host defense mechanisms against bacterial overgrowth in the small intestine are gastric acid and bile, peristalsis, proteolytic digestive enzymes, intact ileocecal valve, and secretory IgA. When these protective barriers fail, SIBO occurs. […] SIBO is associated with disorders of abnormal gastrointestinal motility, such as irritable bowel syndrome, narcotic use, post-radiation enteropathy, hypothyroidism, diabetes mellitus, and scleroderma. […] An intact ileocecal valve and antegrade motility of the ileum prevent retrograde translocation of colonic bacteria.

• #2 Small intestinal bacterial overgrowth – Wikipedia

  https://en.wikipedia.org/wiki/Small_intestinal_bacterial_overgrowth

  Small intestinal bacterial overgrowth (SIBO), also termed bacterial overgrowth, or small bowel bacterial overgrowth syndrome (SBBOS), is a disorder of excessive bacterial growth in the small intestine. […] Risk factors for the development of SIBO include dysmotility; anatomical disturbances in the bowel, including fistulae, diverticula and blind loops created after surgery, and resection of the ileo-cecal valve; gastroenteritis-induced alterations to the small intestine; and the use of certain medications, including proton pump inhibitors. […] Certain people are more predisposed to the development of SIBO because of certain risk factors. These factors can be grouped into four categories: (1) motility disorders, impaired movement of the small bowel, or anatomical changes that lead to stasis (a state in which the normal flow of a body liquid stops); (2) disorders of the immune system; (3) interference with the production of proteolytic enzymes, gastric acid, or bile; and (4) conditions that cause more bacteria from the colon to enter the small bowel.

• #3 Small Intestinal Bacterial Overgrowth

  https://pmc.ncbi.nlm.nih.gov/articles/PMC3099351/

  Small intestinal bacterial overgrowth (SIBO) is defined as the presence of excessive bacteria in the small intestine. SIBO is frequently implicated as the cause of chronic diarrhea and malabsorption. […] A common misconception is that SIBO affects only a limited number of patients, such as those with an anatomic abnormality of the upper gastrointestinal (GI) tract or those with a motility disorder. However, SIBO may be more prevalent than previously thought. […] SIBO develops when the normal homeostatic mechanisms that control enteric bacterial populations are disrupted. The two processes that most commonly predispose to bacterial overgrowth are diminished gastric acid secretion and small intestine dysmotility. Disturbances in gut immune function and anatomical abnormalities of the GI tract also increase the likelihood of developing SIBO.

• #4 Small intestinal bacterial overgrowth syndrome

  https://www.wjgnet.com/1007-9327/full/v16/i24/2978.htm

  SIBO is defined as an increase in the number and/or alteration in the type of bacteria in the upper gastrointestinal tract. […] The aetiology of SIBO is usually complex, associated with disorders of protective antibacterial mechanisms (e.g. achlorhydria, pancreatic exocrine insufficiency, immunodeficiency syndromes), anatomical abnormalities (e.g. small intestinal obstruction, diverticula, fistulae, surgical blind loop, previous ileo-caecal resections) and/or motility disorders. […] Out of all diseases and disorders associated with SIBO (listed below in detail), 90% of cases comprise small intestinal motility disorders (of various aetiology) and chronic pancreatitis. […] The aetiology of SIBO is usually complex, associated with disorders of protective antibacterial mechanisms (e.g. achlorhydria, pancreatic exocrine insufficiency, immunodeficiency syndromes), anatomical abnormalities (e.g. small intestinal obstruction, diverticula, fistulae, surgical blind loop, previous ileo-caecal resections) and/or motility disorders. […] In some cases, a vicious circle arises: an underlying disease is complicated by SIBO and then SIBO directly (as a morphological impact) or vicariously (by malabsorption or nutrient deficiency) causes further deterioration of the underlying disease.

• #5 Small Intestinal Bacterial Overgrowth

  https://pmc.ncbi.nlm.nih.gov/articles/PMC3099351/

  Small intestinal bacterial overgrowth (SIBO) is defined as the presence of excessive bacteria in the small intestine. SIBO is frequently implicated as the cause of chronic diarrhea and malabsorption. […] A common misconception is that SIBO affects only a limited number of patients, such as those with an anatomic abnormality of the upper gastrointestinal (GI) tract or those with a motility disorder. However, SIBO may be more prevalent than previously thought. […] SIBO develops when the normal homeostatic mechanisms that control enteric bacterial populations are disrupted. The two processes that most commonly predispose to bacterial overgrowth are diminished gastric acid secretion and small intestine dysmotility. Disturbances in gut immune function and anatomical abnormalities of the GI tract also increase the likelihood of developing SIBO.

• #6 Small intestinal bacterial overgrowth: Clinical manifestations and diagnosis – UpToDate

  https://www.uptodate.com/contents/small-intestinal-bacterial-overgrowth-clinical-manifestations-and-diagnosis

  Small intestinal bacterial overgrowth (SIBO) is a dysbiosis in which the small bowel is colonized by an excessive number and/or abnormal type of aerobic and anaerobic microbes that are usually found in the colon. […] Several disorders predispose to SIBO by altering mucosal defenses (table 1) [1-3]. Patients may have more than one predisposing cause. As an example, the high prevalence of SIBO in older adults may be due to small intestinal dysmotility and gastric hypochlorhydria. […] Motility disorders – The migrating motor complex (MMC) and, in particular, phase III of the MMC clears the small bowel of debris [4]. A lack of interdigestive phase III activity in patients with irritable bowel syndrome, narcotic use, intestinal pseudo-obstruction, and diabetes predisposes them to SIBO. Small bowel motility is also affected in acute or chronic radiation enteritis, amyloidosis, and scleroderma [5-9].

• #7 Small Intestinal Bacterial Overgrowth – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK546634/

  Small intestinal bacterial overgrowth (SIBO) is the presence of excess colonic bacteria in the small intestine. […] The etiology of small intestinal bacterial overgrowth is complex. It can be from motility, anatomic, immune, gastric hypochlorhydria, and metabolic and other systemic disorders. […] Important host defense mechanisms against bacterial overgrowth in the small intestine are gastric acid and bile, peristalsis, proteolytic digestive enzymes, intact ileocecal valve, and secretory IgA. When these protective barriers fail, SIBO occurs. […] SIBO is associated with disorders of abnormal gastrointestinal motility, such as irritable bowel syndrome, narcotic use, post-radiation enteropathy, hypothyroidism, diabetes mellitus, and scleroderma. […] An intact ileocecal valve and antegrade motility of the ileum prevent retrograde translocation of colonic bacteria.

• #8

  https://www.gut.thechartwellhospital.co.uk/the-5-top-causes-of-small-intestinal-bacteria-overgrowth-sibo

  2) Migrating Motor Complex Dysfunction […] However, if MMC function is impaired, bacteria is then not cleared from the small intestine correctly, increasing the likelihood of developing SIBO. […] 3) Dysfunction of intestinal nerves and/or muscles […] Many conditions can interfere with this movement including, but not limited to: Achalasia, Gastroparesis, Parkinsons, Scleroderma, And other neurogenic issues. […] 4) Altered bile flow and enzyme production […] Without sufficient enzymes, carbohydrates may not be broken down sufficiently, providing plenty of fuel for bacteria to overgrow. […] 5) Stress […] Stress interferes with many aspects of digestion, but how does it relate to SIBO? […] Reduced gut motility predisposes us to develop SIBO. So, in a nutshell, stress harms our digestive system and increases the risk of SIBO.

• #9 Bacterial Overgrowth Syndrome Clinical Presentation: History, Causes, Physical Examination

  https://emedicine.medscape.com/article/212861-clinical

  Disorders or structural abnormalities that disrupt the protective mechanisms that guard against increasing bacterial burden can lead to bacterial overgrowth syndrome. […] Patients with the following medical conditions are at increased risk for bacterial overgrowth syndrome: […] History of upper intestinal tract surgery […] Irritable bowel syndrome […] Liver cirrhosis […] Celiac disease […] Immune deficiency (eg, AIDS, IGA deficiency, severe malnutrition) […] Short bowel syndrome […] End stage renal disease […] Gastrojejunal anastomosis […] Vagotomy, but not selective parietal cell vagotomy […] Antral resection […] Pancreatic exocrine insufficiency. […] Abnormal small intestinal motility due to the following may result in bacterial overgrowth syndrome: […] Diabetic autonomic neuropathy

• #10 Bacterial Overgrowth Syndrome Clinical Presentation: History, Causes, Physical Examination

  https://emedicine.medscape.com/article/212861-clinical

  Scleroderma […] Pseudo-obstruction […] Amyloidosis […] Neurological diseases (eg, myotonic dystrophy, Parkinson disease) […] Radiation enteritis […] Crohn disease […] Hypothyroidism. […] Blind pouches from the following may result in bacterial overgrowth syndrome: […] Side-to-side or end-to-side anastomoses […] Intra-abdominal reservoirs […] Duodenal or jejunal diverticula […] Segmental dilatation of the ileum […] Blind loop syndrome […] Biliopancreatic diversion […] Chagasic megacolon. […] Abnormal bowel communication due to the following may cause bacterial overgrowth syndrome: […] Gastrocolic fistulae […] Jejunal-colic fistulae. […] Partial obstruction caused by the following may result in bacterial overgrowth syndrome: […] Strictures […] Adhesions […] Abdominal masses […] Leiomyosarcoma. […] Reduced gastric acid secretion from the following may result in bacterial overgrowth syndrome: […] Achlorhydria […] Vagotomy […] Long-term administration of proton pump inhibitors. […] Prevalence of BOS rises with age.

• #11 Small Intestinal Bacterial Overgrowth

  https://pmc.ncbi.nlm.nih.gov/articles/PMC3099351/

  Structural abnormalities in the GI tract provide an ideal environment for bacterial colonization and overgrowth. GI tract surgeries that create a blind loop (eg, a Billroth II procedure or a Roux-en-Y anastomosis) predispose to bacterial stasis and overgrowth due to abnormal motility and ineffective clearance of retained food and secretions. […] Long-standing and poorly controlled diabetes can injure the enteric nervous system leading to disordered GI motility. Diabetic gastroparesis and neuropathic small bowel motility disorders are both associated with SIBO. […] Long-standing celiac disease can disturb gut motility, leading to small intestine dysmotility. […] SIBO can develop in a variety of patient populations. Risk factors are reviewed below, along with a discussion of the prevalence of SIBO in these specific situations, where data are available.

• #12 Azthena logo with the word Azthena

  https://www.news-medical.net/health/What-Causes-Small-Intestinal-Bacterial-Overgrowth-(SIBO).aspx

  Diverticulosis of the small bowel with the formation of sacs that allow more bacteria than normal to grow, which are more common in males, and may be associated with disorders, such as myopathies and neuropathies, or connective tissue disorders like progressive systemic sclerosis. […] Failure of normal gut movements encourages food stagnation and bacterial proliferation. […] Chronic diabetes resulting in neuropathic gastroparesis. […] Scleroderma. […] Bowel ischemia. […] Chronic pancreatitis. […] Age-related slowing of the digestive tract. […] Following a viral infection. […] Amyloidosis. […] Hypothyroidism. […] AIDS. […] Severe nutritional deficiency. […] Liver cirrhosis with portal hypertension and ascites is associated with retrograde waves in the first part of the duodenum, irregular and abnormal migrating motility complex (MMC).

• #13

  https://www.gut.thechartwellhospital.co.uk/the-5-top-causes-of-small-intestinal-bacteria-overgrowth-sibo

  2) Migrating Motor Complex Dysfunction […] However, if MMC function is impaired, bacteria is then not cleared from the small intestine correctly, increasing the likelihood of developing SIBO. […] 3) Dysfunction of intestinal nerves and/or muscles […] Many conditions can interfere with this movement including, but not limited to: Achalasia, Gastroparesis, Parkinsons, Scleroderma, And other neurogenic issues. […] 4) Altered bile flow and enzyme production […] Without sufficient enzymes, carbohydrates may not be broken down sufficiently, providing plenty of fuel for bacteria to overgrow. […] 5) Stress […] Stress interferes with many aspects of digestion, but how does it relate to SIBO? […] Reduced gut motility predisposes us to develop SIBO. So, in a nutshell, stress harms our digestive system and increases the risk of SIBO.

• #14 Small Intestinal Bacterial Overgrowth – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK546634/

  Small intestinal bacterial overgrowth (SIBO) is the presence of excess colonic bacteria in the small intestine. […] The etiology of small intestinal bacterial overgrowth is complex. It can be from motility, anatomic, immune, gastric hypochlorhydria, and metabolic and other systemic disorders. […] Important host defense mechanisms against bacterial overgrowth in the small intestine are gastric acid and bile, peristalsis, proteolytic digestive enzymes, intact ileocecal valve, and secretory IgA. When these protective barriers fail, SIBO occurs. […] SIBO is associated with disorders of abnormal gastrointestinal motility, such as irritable bowel syndrome, narcotic use, post-radiation enteropathy, hypothyroidism, diabetes mellitus, and scleroderma. […] An intact ileocecal valve and antegrade motility of the ileum prevent retrograde translocation of colonic bacteria.

• #15 Small Intestinal Bacterial Overgrowth (SIBO) – IFFGD

  https://iffgd.org/gi-disorders/other-disorders/small-intestinal-bacterial-overgrowth-sibo/

  There are more bacteria found in the human intestinal tract than there are human cells in our body. Most of these bacteria live in the large bowel (colon), while fewer stay in the small bowel. Small intestinal bacterial overgrowth (SIBO) is defined as an overwhelming number of bacteria in the small intestine, resulting in gastrointestinal (GI) symptoms. […] Many different types of bacteria are involved in SIBO but Escherichia coli (E coli) and Klebsiella are the most common. Patients with SIBO have less bacterial diversity in their small bowel compared to healthy people. […] Certain conditions can cause a decrease or stop movement in the small intestine. When this happens, the chance of developing SIBO, or small intestinal bacterial overgrowth, increases. […] Some of these conditions include: Changes in the shape of the intestines due to surgeries, Small pouches in the small intestine called diverticula, Narrowing of the intestines from inflammatory bowel disease or previous surgeries, Rheumatologic diseases that affect the intestines, Diabetes, Scar tissue in the abdomen from previous surgeries, Severe constipation. […] Medications and a past episode of food poisoning can also affect the movement of the small intestine.

• #16 Azthena logo with the word Azthena

  https://www.news-medical.net/health/What-Causes-Small-Intestinal-Bacterial-Overgrowth-(SIBO).aspx

  Diverticulosis of the small bowel with the formation of sacs that allow more bacteria than normal to grow, which are more common in males, and may be associated with disorders, such as myopathies and neuropathies, or connective tissue disorders like progressive systemic sclerosis. […] Failure of normal gut movements encourages food stagnation and bacterial proliferation. […] Chronic diabetes resulting in neuropathic gastroparesis. […] Scleroderma. […] Bowel ischemia. […] Chronic pancreatitis. […] Age-related slowing of the digestive tract. […] Following a viral infection. […] Amyloidosis. […] Hypothyroidism. […] AIDS. […] Severe nutritional deficiency. […] Liver cirrhosis with portal hypertension and ascites is associated with retrograde waves in the first part of the duodenum, irregular and abnormal migrating motility complex (MMC).

• #17 Azthena logo with the word Azthena

  https://www.news-medical.net/health/What-Causes-Small-Intestinal-Bacterial-Overgrowth-(SIBO).aspx

  Diverticulosis of the small bowel with the formation of sacs that allow more bacteria than normal to grow, which are more common in males, and may be associated with disorders, such as myopathies and neuropathies, or connective tissue disorders like progressive systemic sclerosis. […] Failure of normal gut movements encourages food stagnation and bacterial proliferation. […] Chronic diabetes resulting in neuropathic gastroparesis. […] Scleroderma. […] Bowel ischemia. […] Chronic pancreatitis. […] Age-related slowing of the digestive tract. […] Following a viral infection. […] Amyloidosis. […] Hypothyroidism. […] AIDS. […] Severe nutritional deficiency. […] Liver cirrhosis with portal hypertension and ascites is associated with retrograde waves in the first part of the duodenum, irregular and abnormal migrating motility complex (MMC).

• #18 Bacterial Overgrowth Syndrome Clinical Presentation: History, Causes, Physical Examination

  https://emedicine.medscape.com/article/212861-clinical

  Scleroderma […] Pseudo-obstruction […] Amyloidosis […] Neurological diseases (eg, myotonic dystrophy, Parkinson disease) […] Radiation enteritis […] Crohn disease […] Hypothyroidism. […] Blind pouches from the following may result in bacterial overgrowth syndrome: […] Side-to-side or end-to-side anastomoses […] Intra-abdominal reservoirs […] Duodenal or jejunal diverticula […] Segmental dilatation of the ileum […] Blind loop syndrome […] Biliopancreatic diversion […] Chagasic megacolon. […] Abnormal bowel communication due to the following may cause bacterial overgrowth syndrome: […] Gastrocolic fistulae […] Jejunal-colic fistulae. […] Partial obstruction caused by the following may result in bacterial overgrowth syndrome: […] Strictures […] Adhesions […] Abdominal masses […] Leiomyosarcoma. […] Reduced gastric acid secretion from the following may result in bacterial overgrowth syndrome: […] Achlorhydria […] Vagotomy […] Long-term administration of proton pump inhibitors. […] Prevalence of BOS rises with age.

• #19 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Risk-Factors-for-Small-Intestinal-Bacterial-Overgrowth.aspx

  In elderly people, the chief cause of SIBO is dysmotility. […] Chronic pancreatitis is another cause of SIBO, because it not only reduces the motility of the small intestine due to local inflammation, but also entails the administration of powerful narcotics, which further slow the gut. […] SIBO may also occur following the creation of a blind loop in the GI tract by surgery, or the occurrence of small intestinal diverticula, especially if they are large and located in the duodenum and jejunum, or the formation of post-surgical, post-medication or post-radiation strictures. […] Patients with abnormalities of cellular immune function are more likely to have SIBO. […] It is well known that SIBO shares many common if nonspecific symptoms with IBS such as bloating, cramping, and abdominal distension.

• #20 Small Intestinal Bacterial Overgrowth (SIBO) – Intestinal Diseases – Gastrointestinal Diseases – Gastroenterology – Diseases – McMaster Textbook of Internal Medicine

  https://empendium.com/mcmtextbook/chapter/B31.II.4.12.

  Small intestinal bacterial overgrowth (SIBO) is a condition in which the small bowel is colonized by excessive numbers of aerobic and anaerobic microbes that normally colonize the colon. […] The prevalence of SIBO in the general population is unknown. It is often associated to other disorders and therefore frequently underdiagnosed. […] Etiology and pathogenesis: There are several mechanisms that prevent bacterial colonization of the small intestine, such as low gastric pH, gastrointestinal (GI) motility, enzymes in pancreatic and biliary secretions, integrity of the intestinal mucosa, direct effects of commensal bacteria, decreased secretion of IgA, and the ileocecal valve. When any of these mechanisms is altered, the risk for SIBO increases: […] Motility disorders, diabetes, and chronic pancreatitis are estimated to account for ~90% of cases of SIBO.

• #21 Small Intestinal Bacterial Overgrowth and Irritable Bowel Syndrome: A Bridge between Functional Organic Dichotomy

  https://www.gutnliver.org/journal/view.html?doi=10.5009/gnl16126

  The pathogenesis of irritable bowel syndrome (IBS), once thought to be largely psychogenic in origin, is now understood to be multifactorial. One of the reasons for this paradigm shift is the realization that gut dysbiosis, including small intestinal bacterial overgrowth (SIBO), causes IBS symptoms. Between 4% and 78% of patients with IBS and 1% and 40% of controls have SIBO; such wide variations in prevalence might result from population differences, IBS diagnostic criteria, and, most importantly, methods to diagnose SIBO. […] A proportion of patients with IBS are known to have SIBO. Recent realization that SIBO may be associated with symptoms of IBS, led to a paradigm shift in understanding the pathogenesis of this condition, hitherto thought to be related largely to psychological factors, to more organic nature.

• #22 Small Intestinal Bacterial Overgrowth and Irritable Bowel Syndrome: A Bridge between Functional Organic Dichotomy

  https://www.gutnliver.org/journal/view.html?doi=10.5009/gnl16126

  Female gender, older age, diarrhea-predominant IBS, bloating and flatulence, proton pump inhibitor and narcotic intake, and low hemoglobin are associated with SIBO among IBS patients. […] There are several factors that are associated with SIBO among patients with IBS. These include female gender, older age, predominant symptom of bloating and flatulence, and diarrheal subtype of IBS. […] SIBO can be classified into two categories based on difference in bacterial flora: (1) Gram positive flora might be due to failure of gastric acid barrier, and (2) coliform bacteria might be due to failure of intestinal clearance and small bowel anatomical alterations. […] Though the pathophysiology of IBS remains largely enigmatic, evidence from recent studies does show that dysbiosis may contribute to development of symptoms, at least in a subset of patients.

• #23 Small Intestinal Bacterial Overgrowth (SIBO): Causes & Symptoms

  https://www.webmd.com/digestive-disorders/sibo-overview-what-is-it

  SIBO can have several different causes. Many cases stem from these issues: […] Low stomach acid can develop if you take medication such as antacids and proton pump inhibitors, commonly used for heartburn. Infections such as H. pylori, a major cause of stomach ulcers, can lower acid levels as well. Gastric bypass surgery for weight loss can also lead to low stomach acid. […] If your small intestine doesn’t move food along as quickly as it should, bacteria can grow and stick around too long. This can happen because of problems with nerves and muscles, sometimes after an illness, injury, or surgery. It also can happen if you have low levels of thyroid hormone. […] You might have extra nooks and crannies in your small intestines where bacteria can build up. This can happen when surgery for digestive diseases creates scar tissue or partial blockages. Or you might have diverticulosis, a common condition in which pouches form in the intestines as you age. […] If you take antibiotics or narcotics (drugs like codeine, fentanyl, and oxycodone), they can upset the normal balance of bacteria in your gut. Narcotics also can slow your digestion.

• #24 SIBO: Causes, Symptoms, and the Role of Probiotics in its Treatment – Lainco

  https://lainco.com/en/sibo-causes-symptoms-and-the-role-of-probiotics-in-its-treatment/

  Enzymatic or Gastric Acid Deficiencies: Gastric acid and digestive enzymes are key to controlling the number of bacteria in the small intestine. A decrease in these elements (as occurs in hypochlorhydria or pancreatic insufficiency) can promote bacterial overgrowth. […] Anatomical Alterations: Abnormalities in the gastrointestinal tract can create a favorable environment for SIBO. Blind loop syndrome is an example, occurring when a section of the small intestine does not move properly, facilitating excessive bacterial growth. This can result from previous surgeries, certain health conditions, or the use of specific medications. […] Prolonged Use of Antibiotics, Opioids, and Other Drugs: Although necessary to treat infections, antibiotics can also disrupt the gut flora, eliminating beneficial bacteria and allowing harmful bacteria to grow uncontrollably. On the other hand, medications like antacids can alter the pH of the microbiota, promoting bacterial overgrowth.

• #25 Small Intestinal Bacterial Overgrowth (SIBO) – Intestinal Diseases – Gastrointestinal Diseases – Gastroenterology – Diseases – McMaster Textbook of Internal Medicine

  https://empendium.com/mcmtextbook/chapter/B31.II.4.12.

  Small intestinal bacterial overgrowth (SIBO) is a condition in which the small bowel is colonized by excessive numbers of aerobic and anaerobic microbes that normally colonize the colon. […] The prevalence of SIBO in the general population is unknown. It is often associated to other disorders and therefore frequently underdiagnosed. […] Etiology and pathogenesis: There are several mechanisms that prevent bacterial colonization of the small intestine, such as low gastric pH, gastrointestinal (GI) motility, enzymes in pancreatic and biliary secretions, integrity of the intestinal mucosa, direct effects of commensal bacteria, decreased secretion of IgA, and the ileocecal valve. When any of these mechanisms is altered, the risk for SIBO increases: […] Motility disorders, diabetes, and chronic pancreatitis are estimated to account for ~90% of cases of SIBO.

• #26 Bacterial Overgrowth Syndrome: Background, Pathophysiology, Epidemiology

  https://emedicine.medscape.com/article/212861-overview

  Bacterial overgrowth syndrome (BOS) is a term that describes clinical manifestations that occur when the normally low number of bacteria that inhabit the stomach, duodenum, jejunum, and proximal ileum significantly increases or becomes overtaken by other pathogens. […] Various etiologic processes can disrupt mechanisms that keep the number of these bacteria low. These include structural abnormalities (congenital or surgical) and disorders that cause decreased gastric acidity, reduced peristaltic activity, and mucosal damage or atrophy. […] Structural changes in the stomach or small intestine can contribute to the stagnation of intestinal contents, leading to bacterial overgrowth. Conditions that necessitate or result in anatomical modifications, such as small-bowel diverticulosis, surgically created blind loops, postgastrectomy complications (particularly in the afferent loop of a Billroth II procedure), strictures, or partial blockages, can promote this bacterial overgrowth.

• #27 Small Intestinal Bacterial Overgrowth (SIBO) – Gastrointestinal Disorders – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/gastrointestinal-disorders/malabsorption-syndromes/small-intestinal-bacterial-overgrowth-sibo

  Small intestinal bacterial overgrowth can result from alterations in intestinal anatomy or gastrointestinal motility, or lack of gastric acid secretion. […] Anatomic alterations of the stomach and/or small intestine promote stasis of intestinal contents, leading to bacterial overgrowth. Conditions that cause or require anatomic alterations include small-bowel diverticulosis, surgical blind loops, postgastrectomy states (especially in the afferent loop of a Billroth II), strictures, or partial obstruction. […] Intestinal motility disorders associated with diabetic neuropathy, systemic sclerosis, amyloidosis, hypothyroidism, and idiopathic intestinal pseudo-obstruction can also impair bacterial clearance. Achlorhydria and idiopathic changes in intestinal motility may cause bacterial overgrowth in older adults. […] Anatomic alterations in stomach or intestines or intestinal motility disorders lead to gastrointestinal stasis and thus bacterial overgrowth.

• #28 Small Intestinal Bacterial Overgrowth (SIBO) – Gastrointestinal Disorders – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/gastrointestinal-disorders/malabsorption-syndromes/small-intestinal-bacterial-overgrowth-sibo

  Small intestinal bacterial overgrowth can result from alterations in intestinal anatomy or gastrointestinal motility, or lack of gastric acid secretion. […] Anatomic alterations of the stomach and/or small intestine promote stasis of intestinal contents, leading to bacterial overgrowth. Conditions that cause or require anatomic alterations include small-bowel diverticulosis, surgical blind loops, postgastrectomy states (especially in the afferent loop of a Billroth II), strictures, or partial obstruction. […] Intestinal motility disorders associated with diabetic neuropathy, systemic sclerosis, amyloidosis, hypothyroidism, and idiopathic intestinal pseudo-obstruction can also impair bacterial clearance. Achlorhydria and idiopathic changes in intestinal motility may cause bacterial overgrowth in older adults. […] Anatomic alterations in stomach or intestines or intestinal motility disorders lead to gastrointestinal stasis and thus bacterial overgrowth.

• #29

• #30 Small bowel bacterial overgrowth: MedlinePlus Medical EncyclopediaLock

  https://medlineplus.gov/ency/article/000222.htm

  Small bowel bacterial overgrowth is a condition in which very large numbers of bacteria grow in the small intestine. […] Conditions that can lead to overgrowth of bacteria in the small intestine include: […] Complications of diseases or surgery that create pouches or blockages in the small intestine. Crohn disease is one of these conditions. […] Diseases that lead to decreased movement of the small bowel, such as diabetes and scleroderma. […] Immunodeficiency, such as AIDS or immunoglobulin deficiency. […] Short bowel syndrome caused by surgical removal of the small intestine. […] Small bowel diverticulosis, in which small, or, at times, large sacs occur in the wall of the intestine. These sacs allow too many bacteria to grow. […] Surgical procedures that create a loop of small intestine where excess bacteria can grow. An example is a Billroth II type of stomach removal (gastrectomy). […] Some cases of irritable bowel syndrome (IBS).

• #31 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Risk-Factors-for-Small-Intestinal-Bacterial-Overgrowth.aspx

  In elderly people, the chief cause of SIBO is dysmotility. […] Chronic pancreatitis is another cause of SIBO, because it not only reduces the motility of the small intestine due to local inflammation, but also entails the administration of powerful narcotics, which further slow the gut. […] SIBO may also occur following the creation of a blind loop in the GI tract by surgery, or the occurrence of small intestinal diverticula, especially if they are large and located in the duodenum and jejunum, or the formation of post-surgical, post-medication or post-radiation strictures. […] Patients with abnormalities of cellular immune function are more likely to have SIBO. […] It is well known that SIBO shares many common if nonspecific symptoms with IBS such as bloating, cramping, and abdominal distension.

• #32 SIBO: Symptoms of Small Intestine Bacterial Overgrowth

  https://www.verywellhealth.com/signs-of-small-intestinal-bacterial-overgrowth-sibo-4125271

  Small intestinal bacterial overgrowth (SIBO) is excessive gut bacteria in the small intestine. […] A range of conditions are associated with SIBO, such as celiac disease, Crohn’s disease, and blind loop syndrome. […] The bacterial overgrowth in SIBO may result from: Changes in pH: Alterations in the acidity (change in pH) of the small intestine can make it easier for bacteria from other areas to grow. […] Decreased immunity: Immune deficiencies, such as AIDS or immunoglobulin deficiency, can compromise the body’s ability to control bacterial growth in the gut. […] Conditions that create pouches in the small intestine: In conditions like Crohn’s or small bowel diverticulosis, sacs can form in the wall of the intestine, which provide a space for too many bacteria to grow. […] Surgical procedures: Certain gastrointestinal surgeries, such as a gastric bypass procedure or bowel resection, may impact the normal flow of food through the small bowel.

• #33 Can Small Intestinal Bacterial Overgrowth (SIBO) Cause Reflux? | SIBO and reflux – RefluxUK

  https://refluxuk.com/diagnosis/sibo

  Low stomach acid. The production of acid by the stomach is a normal physiological phenomenon. […] Antibiotics. By their very nature antibiotics will preferentially kill some gut micro-organisms while others will survive therefore disturbing the normal balance within the gut. […] Previous surgery. In patients who have undergone gut surgery with for instance removal of the ileo-caecal valve during colon cancer resection or gastrectomy (removal of the stomach). […] Diverticular disease. It’s thought bacteria can „hide” in blind pouches. […] Fistulae. These are abnormal connections between areas of the gut. […] Immunodeficiency […] Coeliac disease […] Inflammatory bowel disease […] Pancreatitis […] Colon cancer […] Kidney failure […] Liver failure.

• #34 Azthena logo with the word Azthena

  https://www.news-medical.net/health/What-Causes-Small-Intestinal-Bacterial-Overgrowth-(SIBO).aspx

  There are many reasons why colonic bacteria should grow up into the intestine and proliferate to produce small intestinal bacterial overgrowth (SIBO). […] These often produce stagnation of bacteria, which leads to their overgrowth, both because of lack of normal pushing down of the bacteria and because food is retained for too long a duration. […] Surgical procedures that cause the formation of anastomoses or blind loops in the intestine, such as following a Billroth II or Roux-en-Y procedure. […] Fistulas or strictures of the small bowel as occurs in Crohns disease, following radiation, and major bowel reconstruction, which can also promote the abnormal passage of bacteria between the upper and lower small bowel. […] Medical conditions that can cause diverticulum formation, such as Crohns disease.

• #35 Small intestinal bacterial overgrowth (SIBO) | UM Health-Sparrow

  https://www.uofmhealthsparrow.org/departments-conditions/conditions/small-intestinal-bacterial-overgrowth-sibo

  Small intestinal bacterial overgrowth (SIBO) can be caused by: […] Complications of abdominal surgery, including gastric bypass for obesity and gastrectomy to treat peptic ulcers and stomach cancer […] Structural problems in and around your small intestine, including scar tissue (intestinal adhesions) that can wrap around the outside of the small bowel, and bulging pouches of tissue that protrude through the wall of the small intestine (intestinal diverticulosis) […] Certain medical conditions, including Crohn’s disease, radiation enteritis, scleroderma, celiac disease, diabetes or other conditions that can slow movement (motility) of food and waste products through the small intestine. […] The bacteria may produce toxins as well as interfere with the absorption of nutrients. The breakdown products following bacterial digestion of food can also trigger diarrhea.

• #36 Small Intestinal Bacterial Overgrowth – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK546634/

  Small intestinal bacterial overgrowth (SIBO) is the presence of excess colonic bacteria in the small intestine. […] The etiology of small intestinal bacterial overgrowth is complex. It can be from motility, anatomic, immune, gastric hypochlorhydria, and metabolic and other systemic disorders. […] Important host defense mechanisms against bacterial overgrowth in the small intestine are gastric acid and bile, peristalsis, proteolytic digestive enzymes, intact ileocecal valve, and secretory IgA. When these protective barriers fail, SIBO occurs. […] SIBO is associated with disorders of abnormal gastrointestinal motility, such as irritable bowel syndrome, narcotic use, post-radiation enteropathy, hypothyroidism, diabetes mellitus, and scleroderma. […] An intact ileocecal valve and antegrade motility of the ileum prevent retrograde translocation of colonic bacteria.

• #37 Small intestinal bacterial overgrowth – Wikipedia

  https://en.wikipedia.org/wiki/Small_intestinal_bacterial_overgrowth

  Small intestinal bacterial overgrowth (SIBO), also termed bacterial overgrowth, or small bowel bacterial overgrowth syndrome (SBBOS), is a disorder of excessive bacterial growth in the small intestine. […] Risk factors for the development of SIBO include dysmotility; anatomical disturbances in the bowel, including fistulae, diverticula and blind loops created after surgery, and resection of the ileo-cecal valve; gastroenteritis-induced alterations to the small intestine; and the use of certain medications, including proton pump inhibitors. […] Certain people are more predisposed to the development of SIBO because of certain risk factors. These factors can be grouped into four categories: (1) motility disorders, impaired movement of the small bowel, or anatomical changes that lead to stasis (a state in which the normal flow of a body liquid stops); (2) disorders of the immune system; (3) interference with the production of proteolytic enzymes, gastric acid, or bile; and (4) conditions that cause more bacteria from the colon to enter the small bowel.

• #38 Small intestinal bacterial overgrowth (SIBO) | UM Health-Sparrow

  https://www.uofmhealthsparrow.org/departments-conditions/conditions/small-intestinal-bacterial-overgrowth-sibo

  Small intestinal bacterial overgrowth (SIBO) can be caused by: […] Complications of abdominal surgery, including gastric bypass for obesity and gastrectomy to treat peptic ulcers and stomach cancer […] Structural problems in and around your small intestine, including scar tissue (intestinal adhesions) that can wrap around the outside of the small bowel, and bulging pouches of tissue that protrude through the wall of the small intestine (intestinal diverticulosis) […] Certain medical conditions, including Crohn’s disease, radiation enteritis, scleroderma, celiac disease, diabetes or other conditions that can slow movement (motility) of food and waste products through the small intestine. […] The bacteria may produce toxins as well as interfere with the absorption of nutrients. The breakdown products following bacterial digestion of food can also trigger diarrhea.

• #39 Small Intestinal Bacterial Overgrowth (SIBO): Treatment

  https://www.health.com/sibo-treatment-8612968

  Small intestinal bacterial overgrowth, or SIBO, is bacteria overgrowth in the small intestine that causes gastrointestinal (GI) pain, diarrhea, bloating, and nutrient malabsorption. […] SIBO is often caused by underlying conditions that also require treatment. […] About 80-90% of SIBO cases are caused by IBS, intestinal motility disorders, or chronic pancreatitis (pancreas inflammation). If you have SIBO, your provider should also evaluate you for other underlying health conditions that can cause bacterial overgrowth.

• #40 SIBO: Symptoms, Diagnosis, Causes & Treatment

  https://my.clevelandclinic.org/health/diseases/21820-small-intestinal-bacterial-overgrowth-sibo

  SIBO has a variety of causes. These include chemical functions like low stomach acid and certain medications, and mechanical functions like small intestine dysmotility and structural problems in your small intestine. […] Low stomach acid (hypochlorhydria) reduces your body’s ability to moderate bacterial growth. […] Overuse of certain medications can upset the normal balance of flora. […] Small intestine dysmotility means that waste is retained for too long in your small intestine before emptying into your large intestine. […] Structural problems in your small intestine can inhibit motility and the regular clearing of residual bacteria and create extra nooks and crannies for bacteria to build up. […] As you get older, you gain more risk factors for SIBO. These include lower stomach acid and motility levels as well as higher levels of medications that might encourage SIBO.

• #41 Small Intestinal Bacterial Overgrowth

  https://pmc.ncbi.nlm.nih.gov/articles/PMC3099351/

  There is a significant amount of interest on the possible role of SIBO in the generation of IBS. […] Gastric acid suppresses the growth of ingested bacteria, thereby limiting bacterial counts in the upper small intestine. Diminished acid production (hypochlorhydria) is a risk factor for SIBO, and can develop after colonization with Helicobacter pylori or as a consequence of aging. […] Patients who are immunodeficient, whether due to an abnormal antibody response or T-cell response, are prone to bacterial overgrowth.

• #42 Bacterial Overgrowth Syndrome Clinical Presentation: History, Causes, Physical Examination

  https://emedicine.medscape.com/article/212861-clinical

  Scleroderma […] Pseudo-obstruction […] Amyloidosis […] Neurological diseases (eg, myotonic dystrophy, Parkinson disease) […] Radiation enteritis […] Crohn disease […] Hypothyroidism. […] Blind pouches from the following may result in bacterial overgrowth syndrome: […] Side-to-side or end-to-side anastomoses […] Intra-abdominal reservoirs […] Duodenal or jejunal diverticula […] Segmental dilatation of the ileum […] Blind loop syndrome […] Biliopancreatic diversion […] Chagasic megacolon. […] Abnormal bowel communication due to the following may cause bacterial overgrowth syndrome: […] Gastrocolic fistulae […] Jejunal-colic fistulae. […] Partial obstruction caused by the following may result in bacterial overgrowth syndrome: […] Strictures […] Adhesions […] Abdominal masses […] Leiomyosarcoma. […] Reduced gastric acid secretion from the following may result in bacterial overgrowth syndrome: […] Achlorhydria […] Vagotomy […] Long-term administration of proton pump inhibitors. […] Prevalence of BOS rises with age.

• #43 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Risk-Factors-for-Small-Intestinal-Bacterial-Overgrowth.aspx

  Small intestinal bacterial overgrowth (SIBO) is a medical condition in which bacteria in the gut overgrow. This normally does not occur under good health conditions. Certain conditions have been identified to increase the risk of this occurrence: […] Gastric hydrochloric acid is a powerful suppressant of bacterial growth, so that very few or no bacteria are found in the stomach, and the count is low even in the upper small intestine. For this reason, hypochlorhydria is a risk factor for SIBO. […] Normal gut motility is designed to carry food through the digestive tract, but abnormalities in the formation of the migrating motor complex that normally occurs once in 1.5-3 hours can promote SIBO. […] Dysmotility of the upper small intestine is another risk factor as it fails to move out bacteria from this segment effectively into the colon.

• #44 Small intestinal bacterial overgrowth – Wikipedia

  https://en.wikipedia.org/wiki/Small_intestinal_bacterial_overgrowth

  Absence or impairment of the migrating motor complex (MMC), a cyclical motility pattern in the small intestine, and phase III of the MMC in particular, is associated with the development of SIBO. […] Problems with motility may either be diffuse or localized to particular areas. […] Systemic or metabolic disorders may lead to conditions allowing SIBO as well. For example, diabetes can cause intestinal neuropathy, pancreatitis, leading to pancreatic insufficiency can impair digestive enzyme production, and bile may be affected as part of cirrhosis of the liver. […] The use of proton pump inhibitors, a class of medication used to reduce stomach acid, is associated with an increased risk of developing SIBO. […] Finally, abnormal connections between the bacteria-rich colon and the small bowel can increase the bacterial load in the small bowel.

• #45 Small Intestinal Bacterial Overgrowth (SIBO): Causes & Symptoms

  https://www.webmd.com/digestive-disorders/sibo-overview-what-is-it

  SIBO can have several different causes. Many cases stem from these issues: […] Low stomach acid can develop if you take medication such as antacids and proton pump inhibitors, commonly used for heartburn. Infections such as H. pylori, a major cause of stomach ulcers, can lower acid levels as well. Gastric bypass surgery for weight loss can also lead to low stomach acid. […] If your small intestine doesn’t move food along as quickly as it should, bacteria can grow and stick around too long. This can happen because of problems with nerves and muscles, sometimes after an illness, injury, or surgery. It also can happen if you have low levels of thyroid hormone. […] You might have extra nooks and crannies in your small intestines where bacteria can build up. This can happen when surgery for digestive diseases creates scar tissue or partial blockages. Or you might have diverticulosis, a common condition in which pouches form in the intestines as you age. […] If you take antibiotics or narcotics (drugs like codeine, fentanyl, and oxycodone), they can upset the normal balance of bacteria in your gut. Narcotics also can slow your digestion.

• #46 Small Intestinal Bacterial Overgrowth

  https://pmc.ncbi.nlm.nih.gov/articles/PMC3099351/

  There is a significant amount of interest on the possible role of SIBO in the generation of IBS. […] Gastric acid suppresses the growth of ingested bacteria, thereby limiting bacterial counts in the upper small intestine. Diminished acid production (hypochlorhydria) is a risk factor for SIBO, and can develop after colonization with Helicobacter pylori or as a consequence of aging. […] Patients who are immunodeficient, whether due to an abnormal antibody response or T-cell response, are prone to bacterial overgrowth.

• #47 SIBO: Small intestinal bacterial overgrowth and the Vagus nerve. The problem of nerve compression. –

  https://caringmedical.com/prolotherapy-news/small-intestinal-bacterial-overgrowth-vagus-nerve-problem-nerve-compression/

  The small intestine’s primary function is to absorb the nutrients from the food we eat. To do this very few bacteria are necessary. Small Intestinal Bacterial Overgrowth (SIBO) is when an enormous amount of bacteria start residing and growing in the small intestine. […] When a person has cervical instability that inhibits normal vagus nerve flow, the coordinated integrated processes that are necessary for proper digestion of nutrients break down. […] The question left unanswered is does eradicating Helicobacter pylori (HP) can reduce SIBO. […] The detection of SIBO should be considered for patients with digestive symptoms and Helicobacter pylori (HP) infection. […] Patients with underlying SIBO have significant delays in small bowel transit time. […] The association between prolonged small bowel transit time and positive lactulose breath testing (the test to determine the number of bacteria in the digestive tract) may be useful in helping patients by targeting therapeutic options for those who are not responding to standard therapy. […] The vagus nerve is responsible for managing our intestinal activity as well as managing the sphincter muscles in the gastrointestinal tract.

• #48 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Risk-Factors-for-Small-Intestinal-Bacterial-Overgrowth.aspx

  Small intestinal bacterial overgrowth (SIBO) is a medical condition in which bacteria in the gut overgrow. This normally does not occur under good health conditions. Certain conditions have been identified to increase the risk of this occurrence: […] Gastric hydrochloric acid is a powerful suppressant of bacterial growth, so that very few or no bacteria are found in the stomach, and the count is low even in the upper small intestine. For this reason, hypochlorhydria is a risk factor for SIBO. […] Normal gut motility is designed to carry food through the digestive tract, but abnormalities in the formation of the migrating motor complex that normally occurs once in 1.5-3 hours can promote SIBO. […] Dysmotility of the upper small intestine is another risk factor as it fails to move out bacteria from this segment effectively into the colon.

• #49 Small Intestinal Bacterial Overgrowth

  https://pmc.ncbi.nlm.nih.gov/articles/PMC3099351/

  There is a significant amount of interest on the possible role of SIBO in the generation of IBS. […] Gastric acid suppresses the growth of ingested bacteria, thereby limiting bacterial counts in the upper small intestine. Diminished acid production (hypochlorhydria) is a risk factor for SIBO, and can develop after colonization with Helicobacter pylori or as a consequence of aging. […] Patients who are immunodeficient, whether due to an abnormal antibody response or T-cell response, are prone to bacterial overgrowth.

• #50 Bacterial Overgrowth Syndrome: Background, Pathophysiology, Epidemiology

  https://emedicine.medscape.com/article/212861-overview

  Moreover, motility disorders in the intestines linked to diabetic neuropathy, systemic sclerosis, amyloidosis, hypothyroidism, and idiopathic intestinal pseudo-obstruction can hinder the clearance of bacteria. […] In older individuals, factors like achlorhydria and spontaneous alterations in intestinal motility may also contribute to bacterial overgrowth.

• #51 Small intestinal bacterial overgrowth (SIBO) | UM Health-Sparrow

  https://www.uofmhealthsparrow.org/departments-conditions/conditions/small-intestinal-bacterial-overgrowth-sibo

  Small intestinal bacterial overgrowth (SIBO) can be caused by: […] Complications of abdominal surgery, including gastric bypass for obesity and gastrectomy to treat peptic ulcers and stomach cancer […] Structural problems in and around your small intestine, including scar tissue (intestinal adhesions) that can wrap around the outside of the small bowel, and bulging pouches of tissue that protrude through the wall of the small intestine (intestinal diverticulosis) […] Certain medical conditions, including Crohn’s disease, radiation enteritis, scleroderma, celiac disease, diabetes or other conditions that can slow movement (motility) of food and waste products through the small intestine. […] The bacteria may produce toxins as well as interfere with the absorption of nutrients. The breakdown products following bacterial digestion of food can also trigger diarrhea.

• #52 Small Intestinal Bacterial Overgrowth – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK546634/

  Anatomic abnormalities lead to stasis of the bowels, which may predispose them to SIBO. […] Lastly, the gastrointestinal tract’s secretory immunoglobulin Ig A abundance prevents bacterial proliferation and maintains intestinal immunity. […] Immunodeficiency disorders, such as acquired immune deficiency syndrome, combined variable immunodeficiency, and IgA deficiency, are associated with an increased risk of SIBO.

• #53 SIBO: Symptoms of Small Intestine Bacterial Overgrowth

  https://www.verywellhealth.com/signs-of-small-intestinal-bacterial-overgrowth-sibo-4125271

  Small intestinal bacterial overgrowth (SIBO) is excessive gut bacteria in the small intestine. […] A range of conditions are associated with SIBO, such as celiac disease, Crohn’s disease, and blind loop syndrome. […] The bacterial overgrowth in SIBO may result from: Changes in pH: Alterations in the acidity (change in pH) of the small intestine can make it easier for bacteria from other areas to grow. […] Decreased immunity: Immune deficiencies, such as AIDS or immunoglobulin deficiency, can compromise the body’s ability to control bacterial growth in the gut. […] Conditions that create pouches in the small intestine: In conditions like Crohn’s or small bowel diverticulosis, sacs can form in the wall of the intestine, which provide a space for too many bacteria to grow. […] Surgical procedures: Certain gastrointestinal surgeries, such as a gastric bypass procedure or bowel resection, may impact the normal flow of food through the small bowel.

• #54 Small bowel bacterial overgrowth: MedlinePlus Medical EncyclopediaLock

  https://medlineplus.gov/ency/article/000222.htm

  Small bowel bacterial overgrowth is a condition in which very large numbers of bacteria grow in the small intestine. […] Conditions that can lead to overgrowth of bacteria in the small intestine include: […] Complications of diseases or surgery that create pouches or blockages in the small intestine. Crohn disease is one of these conditions. […] Diseases that lead to decreased movement of the small bowel, such as diabetes and scleroderma. […] Immunodeficiency, such as AIDS or immunoglobulin deficiency. […] Short bowel syndrome caused by surgical removal of the small intestine. […] Small bowel diverticulosis, in which small, or, at times, large sacs occur in the wall of the intestine. These sacs allow too many bacteria to grow. […] Surgical procedures that create a loop of small intestine where excess bacteria can grow. An example is a Billroth II type of stomach removal (gastrectomy). […] Some cases of irritable bowel syndrome (IBS).

• #55 SIBO (Small Intestinal Bacterial Overgrowth): Symptoms & Causes | NewYork-Presbyterian

  https://www.nyp.org/digestive/small-intestinal-bacterial-overgrowth-sibo

  Small Intestinal Bacterial Overgrowth (SIBO) is a condition characterized by excess overgrowth of microflora in the small intestine resulting in gastrointestinal symptoms such as diarrhea and bloating. […] In general, most cases of SIBO occur in patients with risk factors such as a medical history of intestinal surgeries or radiation, strictures, celiac disease, diabetes, inflammatory bowel disease, scleroderma, or motility disorders. […] The underlying cause of SIBO varies from patient to patient. Impaired intestinal motility may lead to stasis and reduced clearance of bacteria from the small bowel in disorders such as scleroderma and chronic intestinal pseudo-obstruction. […] Anatomic abnormalities such as bariatric surgery, strictures, or adhesions may also result in stasis and bacterial overgrowth. Systemic disorders such as diabetes, pancreatic insufficiency, or immunodeficiencies such as human immunodeficiency virus (HIV) can also predispose to SIBO.

• #56 Azthena logo with the word Azthena

  https://www.news-medical.net/health/What-Causes-Small-Intestinal-Bacterial-Overgrowth-(SIBO).aspx

  Diverticulosis of the small bowel with the formation of sacs that allow more bacteria than normal to grow, which are more common in males, and may be associated with disorders, such as myopathies and neuropathies, or connective tissue disorders like progressive systemic sclerosis. […] Failure of normal gut movements encourages food stagnation and bacterial proliferation. […] Chronic diabetes resulting in neuropathic gastroparesis. […] Scleroderma. […] Bowel ischemia. […] Chronic pancreatitis. […] Age-related slowing of the digestive tract. […] Following a viral infection. […] Amyloidosis. […] Hypothyroidism. […] AIDS. […] Severe nutritional deficiency. […] Liver cirrhosis with portal hypertension and ascites is associated with retrograde waves in the first part of the duodenum, irregular and abnormal migrating motility complex (MMC).

• #57 Small Intestinal Bacterial Overgrowth – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK546634/

  Anatomic abnormalities lead to stasis of the bowels, which may predispose them to SIBO. […] Lastly, the gastrointestinal tract’s secretory immunoglobulin Ig A abundance prevents bacterial proliferation and maintains intestinal immunity. […] Immunodeficiency disorders, such as acquired immune deficiency syndrome, combined variable immunodeficiency, and IgA deficiency, are associated with an increased risk of SIBO.

• #58 Small intestinal bacterial overgrowth syndrome

  https://www.wjgnet.com/1007-9327/full/v16/i24/2978.htm

  SIBO is defined as an increase in the number and/or alteration in the type of bacteria in the upper gastrointestinal tract. […] The aetiology of SIBO is usually complex, associated with disorders of protective antibacterial mechanisms (e.g. achlorhydria, pancreatic exocrine insufficiency, immunodeficiency syndromes), anatomical abnormalities (e.g. small intestinal obstruction, diverticula, fistulae, surgical blind loop, previous ileo-caecal resections) and/or motility disorders. […] Out of all diseases and disorders associated with SIBO (listed below in detail), 90% of cases comprise small intestinal motility disorders (of various aetiology) and chronic pancreatitis. […] The aetiology of SIBO is usually complex, associated with disorders of protective antibacterial mechanisms (e.g. achlorhydria, pancreatic exocrine insufficiency, immunodeficiency syndromes), anatomical abnormalities (e.g. small intestinal obstruction, diverticula, fistulae, surgical blind loop, previous ileo-caecal resections) and/or motility disorders. […] In some cases, a vicious circle arises: an underlying disease is complicated by SIBO and then SIBO directly (as a morphological impact) or vicariously (by malabsorption or nutrient deficiency) causes further deterioration of the underlying disease.

• #59 Azthena logo with the word Azthena

  https://www.news-medical.net/health/What-Causes-Small-Intestinal-Bacterial-Overgrowth-(SIBO).aspx

  Diverticulosis of the small bowel with the formation of sacs that allow more bacteria than normal to grow, which are more common in males, and may be associated with disorders, such as myopathies and neuropathies, or connective tissue disorders like progressive systemic sclerosis. […] Failure of normal gut movements encourages food stagnation and bacterial proliferation. […] Chronic diabetes resulting in neuropathic gastroparesis. […] Scleroderma. […] Bowel ischemia. […] Chronic pancreatitis. […] Age-related slowing of the digestive tract. […] Following a viral infection. […] Amyloidosis. […] Hypothyroidism. […] AIDS. […] Severe nutritional deficiency. […] Liver cirrhosis with portal hypertension and ascites is associated with retrograde waves in the first part of the duodenum, irregular and abnormal migrating motility complex (MMC).

• #60 Small Intestinal Bacterial Overgrowth (SIBO) | SJPP

  https://www.sjpp.org/digestive-health/conditions/small-intestinal-bacterial-overgrowth/

  Small intestinal bacterial overgrowth (SIBO) occurs when you have an abnormal increase in the overall bacterial population in the small intestine. […] There are various risk factors for SIBO and may include: Older age, History of diverticulitis, Diabetes, Lupus, Inflammatory bowel disease, Crohns disease, Celiac disease, HIV, Gastric bypass surgery, A weakened immune system, Injury to your small intestine, Blockages in the GI tract, Long term chronic use of proton pump inhibitors, Antibiotics, NSAID use, Alcohol use. […] SIBO treatment may include treating underlying medical conditions such as diabetes or celiac disease that can contribute to SIBO.

• #61 5 Health Conditions That Are Associated with Small Intestinal Bacterial Overgrowth (SIBO)

  https://www.rupahealth.com/post/5-health-conditions-that-are-associated-with-small-intestinal-bacterial-overgrowth-sibo

  SIBO can develop due to various factors, including changes in motility, immune function, digestive enzymes, and anatomy. […] Age, medical conditions, surgeries, and medications can affect the body’s defenses against SIBO, potentially increasing risk. […] Certain medical conditions can affect immune response, motility, and intestinal structure, such as: Diabetes mellitus, Hypothyroidism, Autoimmune diseases: lupus, celiac disease, inflammatory bowel disease (IBD), scleroderma, Digestive enzyme deficiencies due to low stomach acid (hypochlorhydria), pancreatitis, gallbladder disease, liver disease, and exocrine pancreatic insufficiency (EPI), Colon cancer. […] Certain medications might also influence SIBO risk. Antibiotics can affect intestinal motility and microbiome balance. […] SIBO may play a role in the development and progression of various conditions.

• #62 Small intestinal bacterial overgrowth – Wikipedia

  https://en.wikipedia.org/wiki/Small_intestinal_bacterial_overgrowth

  Absence or impairment of the migrating motor complex (MMC), a cyclical motility pattern in the small intestine, and phase III of the MMC in particular, is associated with the development of SIBO. […] Problems with motility may either be diffuse or localized to particular areas. […] Systemic or metabolic disorders may lead to conditions allowing SIBO as well. For example, diabetes can cause intestinal neuropathy, pancreatitis, leading to pancreatic insufficiency can impair digestive enzyme production, and bile may be affected as part of cirrhosis of the liver. […] The use of proton pump inhibitors, a class of medication used to reduce stomach acid, is associated with an increased risk of developing SIBO. […] Finally, abnormal connections between the bacteria-rich colon and the small bowel can increase the bacterial load in the small bowel.

• #63 SIBO (Small Intestinal Bacterial Overgrowth): Symptoms & Causes | NewYork-Presbyterian

  https://www.nyp.org/digestive/small-intestinal-bacterial-overgrowth-sibo

  Conditions that may increase the risk of SIBO include consuming a high carbohydrate diet which includes sugar, anatomic abnormalities in the small intestine, a compromised immune system, and food that moves too slowly or is stagnant when moving through the small intestine. […] SIBO can result from an imbalance in the small intestine’s bacterial flora. […] Various risk factors can contribute to the development of this GI condition, including celiac disease, cirrhosis, Crohn’s disease, diabetes, gastroparesis, hypothyroidism, radiation enteritis, scleroderma, previous medical treatments, and immunodeficiency.

• #64 Small Bowel Bacterial Overgrowth (SIBO) | Children’s Hospital of Philadelphia

  https://www.chop.edu/conditions-diseases/small-bowel-bacterial-overgrowth-sibo

  Small intestinal bacterial overgrowth (SIBO) is also commonly referred to as small bowel bacterial overgrowth. […] There can be many causes contributing to increased bacteria in the small intestine, including: A decrease in acid production, A decrease in the movement (motility) of the GI tract, Damage to the lining of the intestine can contribute. […] These causes can be either congenital disorders (present at birth) or develop as a result of surgical interventions causing abnormal motility in the small intestine. […] Some of the conditions linked to increased risk for developing small bowel bacterial overgrowth include: Celiac disease, Gastroparesis, Small bowel dysmotility, Chronic pancreatitis, Connective tissue disorders, Inflammatory bowel disease (IBD), Irritable bowel syndrome, Chronic intestinal pseudo-obstruction, Medications, Prior GI surgery.

• #65 Small Intestinal Bacterial Overgrowth

  https://pmc.ncbi.nlm.nih.gov/articles/PMC3099351/

  Structural abnormalities in the GI tract provide an ideal environment for bacterial colonization and overgrowth. GI tract surgeries that create a blind loop (eg, a Billroth II procedure or a Roux-en-Y anastomosis) predispose to bacterial stasis and overgrowth due to abnormal motility and ineffective clearance of retained food and secretions. […] Long-standing and poorly controlled diabetes can injure the enteric nervous system leading to disordered GI motility. Diabetic gastroparesis and neuropathic small bowel motility disorders are both associated with SIBO. […] Long-standing celiac disease can disturb gut motility, leading to small intestine dysmotility. […] SIBO can develop in a variety of patient populations. Risk factors are reviewed below, along with a discussion of the prevalence of SIBO in these specific situations, where data are available.

• #66 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Risk-Factors-for-Small-Intestinal-Bacterial-Overgrowth.aspx

  Patients with uncontrolled diabetes or chronic hyperglycemia may have neuropathic gastric and small intestinal dysmotility. […] Many older adults have SIBO, because of decreased gastrointestinal motility, but more importantly due to the ingestion of many medications, which predispose to SIBO by slowing down bowel peristalsis, reduced ambulation, the presence of metabolic diseases, malnutrition, and lowered cellular gut immunity. […] Celiac disease can eventually disrupt gut motility leading to SIBO. […] Patients with diarrhea of unidentified origin had SIBO in a third of cases. […] Patients with renal failure, obstructive jaundice following surgery, and acute pancreatitis, besides alcohol abuse, may have symptoms related to gastrointestinal function, as may patients who have recently undergone antibiotic therapy. […] There is an increased prevalence of SIBO, up to 60%, in cirrhosis with portal hypertension.

• #67 Small Intestinal Bacterial Overgrowth (SIBO) | BeyondCeliac.org

  https://www.beyondceliac.org/celiac-disease/related-conditions/small-intestinal-bacterial-overgrowth-sibo/

  SIBO, also known as small bowel bacterial overgrowth (SBBO), refers to a condition in which abnormally large numbers of bacteria are present in the small intestine. […] In particular, SIBO seems to affect those with celiac disease whose symptoms continue despite the gluten-free diet. […] A 2007 study classified celiac disease as a motility disorder that can cause SIBO. […] SIBO is a common problem in celiac disease that appears to be caused by the intestines moving too slowly or irregularly. Decreased function of the immune system also appears to play a role. […] Left untreated, SIBO can result in persistent damage to the villi, leading to vitamin deficiencies and elevations in celiac antibody levels.

• #68 Small Intestinal Bacterial Overgrowth (SIBO) | SJPP

  https://www.sjpp.org/digestive-health/conditions/small-intestinal-bacterial-overgrowth/

  Small intestinal bacterial overgrowth (SIBO) occurs when you have an abnormal increase in the overall bacterial population in the small intestine. […] There are various risk factors for SIBO and may include: Older age, History of diverticulitis, Diabetes, Lupus, Inflammatory bowel disease, Crohns disease, Celiac disease, HIV, Gastric bypass surgery, A weakened immune system, Injury to your small intestine, Blockages in the GI tract, Long term chronic use of proton pump inhibitors, Antibiotics, NSAID use, Alcohol use. […] SIBO treatment may include treating underlying medical conditions such as diabetes or celiac disease that can contribute to SIBO.

• #69 Small Intestinal Bacterial Overgrowth (SIBO): What You Should Know | Henry Ford Health – Detroit, MI

  https://www.henryford.com/blog/2019/09/sibo-what-you-should-know

  Anatomical abnormalities: Ever had bariatric surgery or a procedure to resect part of your intestine? These procedures could result in anatomical changes to the intestines that create an ideal environment for bacteria to grow. […] Constipating conditions: Health conditions, such as hypothyroidism, scleroderma and nervous system disorders that interfere with your body’s ability to move waste through the digestive tract increase the risk of SIBO. […] SIBO often occurs due to some underlying condition, particularly bowel-compromising conditions such as Crohn’s disease, celiac disease and inflammatory bowel disease (IBD). For example, research suggests that more than one-third of people with IBD also have SIBO.

• #70 Small intestinal bacterial overgrowth syndrome

  https://www.wjgnet.com/1007-9327/full/v16/i24/2978.htm

  SIBO is defined as an increase in the number and/or alteration in the type of bacteria in the upper gastrointestinal tract. […] The aetiology of SIBO is usually complex, associated with disorders of protective antibacterial mechanisms (e.g. achlorhydria, pancreatic exocrine insufficiency, immunodeficiency syndromes), anatomical abnormalities (e.g. small intestinal obstruction, diverticula, fistulae, surgical blind loop, previous ileo-caecal resections) and/or motility disorders. […] Out of all diseases and disorders associated with SIBO (listed below in detail), 90% of cases comprise small intestinal motility disorders (of various aetiology) and chronic pancreatitis. […] The aetiology of SIBO is usually complex, associated with disorders of protective antibacterial mechanisms (e.g. achlorhydria, pancreatic exocrine insufficiency, immunodeficiency syndromes), anatomical abnormalities (e.g. small intestinal obstruction, diverticula, fistulae, surgical blind loop, previous ileo-caecal resections) and/or motility disorders. […] In some cases, a vicious circle arises: an underlying disease is complicated by SIBO and then SIBO directly (as a morphological impact) or vicariously (by malabsorption or nutrient deficiency) causes further deterioration of the underlying disease.

• #71 SIBO Symptoms & Treatments | Small Intestinal Bacterial Overgrowth

  https://www.nbwellness.com/library/small-intestinal-bacterial-overgrowth/

  First, it requires the patient to decrease the foods that feed the bad bacteria including processed sugar, alcohol, and certain carbohydrates. […] If required, we do use antibiotics as they are a very effective way of eliminating the bad bacteria from your small intestine. […] The main antibiotics used are Xifaxan and Neomycin. […] Previous surgery causing structural changes in the intestine […] Antacid use […] Hernia […] Faulty ileocecal valve […] Immune suppressive medications […] Stress […] Celiac Disease […] Aging […] Chronic pancreatitis […] Diabetes […] Diets high in sugar, alcohol, processed foods, and carbohydrates […] Gastrointestinal motility issues (such as with Diabetic Gastroparesis) […] If left untreated, SIBO can lead to health conditions such as:

• #72 Azthena logo with the word Azthena

  https://www.news-medical.net/health/What-Causes-Small-Intestinal-Bacterial-Overgrowth-(SIBO).aspx

  Non-alcoholic liver cirrhosis. […] Celiac disease especially when the patient does not respond to gluten-free dietary modification. […] The two most common underlying factors include too little gastric acid and less-than-normal intestinal motility. […] Hypochlorhydria is a risk factor and is often associated with Helicobacter pylori colonization or with aging, though SIBO itself may cause false-positives for H. pylori due to its reaction with urea on testing. […] Motility of the small bowel is maintained by propulsive forces created by the circular and longitudinal smooth muscle of the small bowel wall.

• #73 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Risk-Factors-for-Small-Intestinal-Bacterial-Overgrowth.aspx

  Patients with uncontrolled diabetes or chronic hyperglycemia may have neuropathic gastric and small intestinal dysmotility. […] Many older adults have SIBO, because of decreased gastrointestinal motility, but more importantly due to the ingestion of many medications, which predispose to SIBO by slowing down bowel peristalsis, reduced ambulation, the presence of metabolic diseases, malnutrition, and lowered cellular gut immunity. […] Celiac disease can eventually disrupt gut motility leading to SIBO. […] Patients with diarrhea of unidentified origin had SIBO in a third of cases. […] Patients with renal failure, obstructive jaundice following surgery, and acute pancreatitis, besides alcohol abuse, may have symptoms related to gastrointestinal function, as may patients who have recently undergone antibiotic therapy. […] There is an increased prevalence of SIBO, up to 60%, in cirrhosis with portal hypertension.

• #74 SIBO (Small Intestinal Bacterial Overgrowth) Treatment | Ogden Clinic

  https://www.ogdenclinic.com/specialties/gastroenterology/sibo-small-intestinal-bacterial-overgrowth-/

  Small Intestinal Bacterial Overgrowth (SIBO) is a digestive condition that occurs when there is an excessive amount of bacteria in the small intestine. […] SIBO is often linked to irritable bowel syndrome (IBS), chronic bloating, and food intolerances. […] In some cases, additional testing may be needed to evaluate underlying causes, such as motility disorders or conditions like IBS, celiac disease, or Crohns disease. […] Since SIBO is often linked to conditions like IBS or slow gut motility, treating these root causes is key to long-term relief.

• #75 Small Bowel Bacterial Overgrowth (SIBO) | Children’s Hospital of Philadelphia

  https://www.chop.edu/conditions-diseases/small-bowel-bacterial-overgrowth-sibo

  Small intestinal bacterial overgrowth (SIBO) is also commonly referred to as small bowel bacterial overgrowth. […] There can be many causes contributing to increased bacteria in the small intestine, including: A decrease in acid production, A decrease in the movement (motility) of the GI tract, Damage to the lining of the intestine can contribute. […] These causes can be either congenital disorders (present at birth) or develop as a result of surgical interventions causing abnormal motility in the small intestine. […] Some of the conditions linked to increased risk for developing small bowel bacterial overgrowth include: Celiac disease, Gastroparesis, Small bowel dysmotility, Chronic pancreatitis, Connective tissue disorders, Inflammatory bowel disease (IBD), Irritable bowel syndrome, Chronic intestinal pseudo-obstruction, Medications, Prior GI surgery.

• #76 What Is SIBO – Causes, Symptoms & Diagnosis – OMED Health

  https://omedhealth.com/insights-hub/breath-analysis-and-sibo/

  Your digestive system is home to trillions of bacteria, most of which are beneficial. Gut bacteria play important roles, including producing essential vitamins (e.g., vitamin K and B group vitamins), helping to break down fibrous foods, and protecting your digestive system from pathogenic bacteria like E. coli. However, having too many of the wrong bacteria in the wrong place can cause digestive health problems. In this article, we’ll explore small intestine bacterial overgrowth (SIBO), a digestive issue that has been estimated to affect between 30 and 85% of patients with irritable bowel syndrome. […] You may be thinking, what is SIBO, I have never heard of it! It occurs when an increased number of an abnormal type of bacteria colonize the small intestine. There is often no single clear cause of SIBO, rather that many factors impact the likelihood of it developing. This overgrowth in bacteria can develop in people with immune diseases, low stomach acid, or slow food movement through the small intestine. This condition is also a potential complication of abdominal surgery (e.g., gastric bypass) and is associated with conditions like irritable bowel syndrome, coeliac disease, liver cirrhosis, and Crohn’s disease.

• #77 Small Intestinal Bacterial Overgrowth and Irritable Bowel Syndrome: A Bridge between Functional Organic Dichotomy

  https://www.gutnliver.org/journal/view.html?doi=10.5009/gnl16126

  The pathogenesis of irritable bowel syndrome (IBS), once thought to be largely psychogenic in origin, is now understood to be multifactorial. One of the reasons for this paradigm shift is the realization that gut dysbiosis, including small intestinal bacterial overgrowth (SIBO), causes IBS symptoms. Between 4% and 78% of patients with IBS and 1% and 40% of controls have SIBO; such wide variations in prevalence might result from population differences, IBS diagnostic criteria, and, most importantly, methods to diagnose SIBO. […] A proportion of patients with IBS are known to have SIBO. Recent realization that SIBO may be associated with symptoms of IBS, led to a paradigm shift in understanding the pathogenesis of this condition, hitherto thought to be related largely to psychological factors, to more organic nature.

• #78 Small Intestinal Bacterial Overgrowth and Irritable Bowel Syndrome: A Bridge between Functional Organic Dichotomy

  https://www.gutnliver.org/journal/view.html?doi=10.5009/gnl16126

  SIBO is more often associated with diarrhea than constipation-predominant IBS. […] Recent realization that SIBO play an important role in pathogenesis of symptoms in a subset of patients with IBS led to a paradigm shift in understanding this disorder, hitherto thought to be predominantly psychogenic in nature.

• #79 9 Causes of SIBO That Has You Struggling | Naturopathic Vancouver

  https://integrative.ca/blog/sibo-struggle

  Small Intestinal Bacterial Overgrowth (SIBO) occurs when there are too many bacteria in the wrong place (the small intestine). […] SIBO does not occur randomly; there are many reasons why bacteria can relocate to the small intestine, or why the bacteria usually present there is able to flourish. […] In order to fully treat SIBO, it is important to identify what caused it. Without treating the cause, SIBO will likely recur after treatment. […] Dysfunction in any of these processes can allow for bacteria to overgrow in the small intestine, resulting in SIBO. […] Low stomach acid, also known as hypochlorhydria, interferes with the initial stages of digestion. […] Without adequate acid, food is not broken down sufficiently, allowing large undigested carbohydrates into the small intestine.

• #80 SIBO: Symptoms, causes, treatment, and diet

  https://www.medicalnewstoday.com/articles/324475

  Sometimes, SIBO occurs because a person has structural differences in the digestive tract. […] Excessive alcohol consumption can damage the microbiome, leading to dysbiosis, damage to the intestinal walls, and inflammation. […] People with certain underlying conditions are more likely than other people to get SIBO. […] SIBO is also more common in older adults, possibly due to slower digestive motility. […] A small 2017 study found that people with obesity were 11 times more likely to have SIBO than those without obesity. […] As SIBO can occur for complex reasons, it can be difficult to treat. Various treatment options are available, including antibiotics, fecal microbiota transplants, and dietary changes. […] This is the main treatment for SIBO. Doctors may use one type of antibiotic or a combination to remove the overgrowth.

• #81

  https://www.gut.thechartwellhospital.co.uk/the-5-top-causes-of-small-intestinal-bacteria-overgrowth-sibo

  2) Migrating Motor Complex Dysfunction […] However, if MMC function is impaired, bacteria is then not cleared from the small intestine correctly, increasing the likelihood of developing SIBO. […] 3) Dysfunction of intestinal nerves and/or muscles […] Many conditions can interfere with this movement including, but not limited to: Achalasia, Gastroparesis, Parkinsons, Scleroderma, And other neurogenic issues. […] 4) Altered bile flow and enzyme production […] Without sufficient enzymes, carbohydrates may not be broken down sufficiently, providing plenty of fuel for bacteria to overgrow. […] 5) Stress […] Stress interferes with many aspects of digestion, but how does it relate to SIBO? […] Reduced gut motility predisposes us to develop SIBO. So, in a nutshell, stress harms our digestive system and increases the risk of SIBO.

• #82 9 Causes of SIBO That Has You Struggling | Naturopathic Vancouver

  https://integrative.ca/blog/sibo-struggle

  Bacteria feed off of these carbohydrates, allowing them to proliferate. […] Without sufficient enzymes, carbohydrates may not be broken down sufficiently, providing fuel for bacteria to overgrow. […] Without the protective effects of enzymes and bile acids, there is an increased risk of developing SIBO. […] Stress can weaken the immune system, allowing for overgrowth of bad bacteria or an infection that may require antibiotics, further increasing the risk of developing SIBO. […] If MMC function is impaired, bacteria are not cleared from the small intestine correctly, increasing the likelihood of developing SIBO. […] Structural changes in the digestive tract can also inhibit movement of bacteria from the small intestine to the large intestine, or allow migration of bacteria upwards from the large intestine.

• #83 Small Intestinal Bacterial Overgrowth

  https://sibotest.com/pages/what-is-sibo

  Stress: chronic stress can decrease stomach acid output (hypochlorhydria). […] Normal stomach acid levels are required to kill bacteria. […] Stress also causes changes in the motility of the small intestines, causing a pooling and stagnation which allows for bacterial overgrowth. […] Altered anatomy: malformation of the ileocecal valve, surgical intervention causing scarring and adhesions altering the normal anatomy of the small intestines. […] Initial colonization of bad bacteria: caesarean birth, no breast feeding. […] SIBO is the leading cause of IBS. […] SIBO is a bacterial overgrowth in the small intestine that causes hydrogen, methane and/or hydrogen sulphide gas production.

• #84 SIBO: Symptoms, causes, treatment, and diet

  https://www.medicalnewstoday.com/articles/324475

  Sometimes, SIBO occurs because a person has structural differences in the digestive tract. […] Excessive alcohol consumption can damage the microbiome, leading to dysbiosis, damage to the intestinal walls, and inflammation. […] People with certain underlying conditions are more likely than other people to get SIBO. […] SIBO is also more common in older adults, possibly due to slower digestive motility. […] A small 2017 study found that people with obesity were 11 times more likely to have SIBO than those without obesity. […] As SIBO can occur for complex reasons, it can be difficult to treat. Various treatment options are available, including antibiotics, fecal microbiota transplants, and dietary changes. […] This is the main treatment for SIBO. Doctors may use one type of antibiotic or a combination to remove the overgrowth.

• #85 Small Intestinal Bacterial Overgrowth

  https://sibotest.com/pages/what-is-sibo

  SIBO is a condition where bacterial overgrowth occurs in the absorptive area of the body the SMALL INTESTINE. […] The ileocecal valve (which connects the large and the small intestine) is dysfunctional, allowing large intestinal bacteria to migrate upwards into the small intestine, where they wreak havoc. […] The result is bacteria are allowed to grow and proliferate throughout the small intestine (a little over 6 meters in length). […] SIBO causes damage to the absorptive surface of the small intestine – the ability of the body to absorb nutrients from food. […] Causes of SIBO: Post infectious: a case of gastroenteritis can often be the heralding event for the development of SIBO. […] Overconsumption of simple carbohydrates. […] Medications: proton pump inhibitors, morphine and other opiates, narcotics, possibly beta agonists and calcium channel blockers.

• #86

  https://www.amymyersmd.com/blogs/articles/sibo-small-intestinal-bacterial-overgrowth-symptoms

  Certain medications, such as antibiotics, acid blockers, and steroids, disrupt your guts natural flora. […] A diet high in sugar, refined carbohydrates, alcohol, and other high-carb foods you eat or drink. […] While colonizing in your small intestine, the group of overgrown bacteria can thrive by feeding off the undigested food passing through. […] An overgrowth of bacteria in the small bowel blocks nutrient absorption leading to deficiencies that can impact bone health, immune function, and energy levels. […] Additionally, the chronic inflammation caused by SIBO can worsen intestinal permeability, allowing toxins and undigested food particles to enter the bloodstream.

• #87 9 Causes of SIBO That Has You Struggling | Naturopathic Vancouver

  https://integrative.ca/blog/sibo-struggle

  Systemic antibiotic exposure, through prescriptions as well as exposure to antibiotic-treated livestock, kills off both harmful and helpful bacteria, upsetting the balance of the microbiome. […] Additionally, conditions of immune deficiency, such as HIV/AIDs and IgA deficiency, as well as autoimmune conditions, such as Celiac and scleroderma, predispose to SIBO. […] An episode of acute gastroenteritis (food poisoning) can greatly impair the MMC. […] One occurrence of gastroenteritis may increase the chances of developing IBS/SIBO six-fold, resulting in post-infectious SIBO. […] There are many other health concerns under consideration as risk factors for developing SIBO such as carbohydrate intolerance, the location we live in, and leaky gut. […] It is unclear as to whether these conditions predispose people to SIBO, or if SIBO is playing a large role in the pathogenesis of these conditions. […] SIBO itself is not the disease; it is the end result.

• #88 Small Intestinal Bacterial Overgrowth (SIBO): Causes & Symptoms

  https://www.webmd.com/digestive-disorders/sibo-overview-what-is-it

  SIBO can have several different causes. Many cases stem from these issues: […] Low stomach acid can develop if you take medication such as antacids and proton pump inhibitors, commonly used for heartburn. Infections such as H. pylori, a major cause of stomach ulcers, can lower acid levels as well. Gastric bypass surgery for weight loss can also lead to low stomach acid. […] If your small intestine doesn’t move food along as quickly as it should, bacteria can grow and stick around too long. This can happen because of problems with nerves and muscles, sometimes after an illness, injury, or surgery. It also can happen if you have low levels of thyroid hormone. […] You might have extra nooks and crannies in your small intestines where bacteria can build up. This can happen when surgery for digestive diseases creates scar tissue or partial blockages. Or you might have diverticulosis, a common condition in which pouches form in the intestines as you age. […] If you take antibiotics or narcotics (drugs like codeine, fentanyl, and oxycodone), they can upset the normal balance of bacteria in your gut. Narcotics also can slow your digestion.

• #89 Decoding SIBO | Demystifying SIBO Symptoms, Types, Causes, Testing & Treatments

  https://www.triosmartbreath.com/sibo

  Structural changes in your GI tract, such as strictures (narrowing of parts of the intestine) or diverticula (small pouches that form on the inner intestinal wall), can create pockets where bacteria can multiply. […] Reduced stomach acid levels, often seen in conditions like H. pylori infection or certain acid-suppressing medications, can impair your body’s ability to control bacterial growth by decreasing its ability to kill bacteria effectively. […] Medications, such as narcotics used for pain management and anticholinergics used for urinary problems, can hinder gut function and promote bacterial overgrowth. […] Conditions that interfere with the normal function of the GI tract, such as IBS, celiac disease, and inflammatory bowel disease (IBD), are associated with an increased risk of SIBO. Inflammation or changes in gut motility may create an environment where bacteria can grow.

• #90 Small Intestinal Bacterial Overgrowth (SIBO) | Oshi Health

  https://oshihealth.com/conditions/sibo/

  Small intestinal bacterial overgrowth (SIBO), also known as bacterial overgrowth or small bowel bacterial overgrowth syndrome, is exactly what it sounds like: an overgrowth of bacteria in the small intestine. […] It typically happens when something causes the passage of food through your digestive system to slow down, making it easier for bacteria to multiply and causing uncomfortable symptoms like diarrhea, bloating, abdominal pain, and discomfort with eating. In severe cases, SIBO can also make it harder for your body to properly absorb nutrients, leading to weight loss and malnutrition. […] Causes of SIBO include: Certain medications. Antacids and proton pump inhibitors (PPIs) can lower the amount of acid in your stomach, making it easier for bacteria to multiply. Some medications, like opioids, anticholinergics, and antidiarrheals, slow digestion and cause food to sit in your GI tract. Frequent or long-term antibiotic use can also contribute to SIBO by disrupting bacterial balance in your gut.

• #91 Azthena logo with the word Azthena

  https://www.news-medical.net/health/Risk-Factors-for-Small-Intestinal-Bacterial-Overgrowth.aspx

  Patients with uncontrolled diabetes or chronic hyperglycemia may have neuropathic gastric and small intestinal dysmotility. […] Many older adults have SIBO, because of decreased gastrointestinal motility, but more importantly due to the ingestion of many medications, which predispose to SIBO by slowing down bowel peristalsis, reduced ambulation, the presence of metabolic diseases, malnutrition, and lowered cellular gut immunity. […] Celiac disease can eventually disrupt gut motility leading to SIBO. […] Patients with diarrhea of unidentified origin had SIBO in a third of cases. […] Patients with renal failure, obstructive jaundice following surgery, and acute pancreatitis, besides alcohol abuse, may have symptoms related to gastrointestinal function, as may patients who have recently undergone antibiotic therapy. […] There is an increased prevalence of SIBO, up to 60%, in cirrhosis with portal hypertension.

• #92 SIBO: Symptoms, Diagnosis, Causes & Treatment

  https://my.clevelandclinic.org/health/diseases/21820-small-intestinal-bacterial-overgrowth-sibo

  SIBO has a variety of causes. These include chemical functions like low stomach acid and certain medications, and mechanical functions like small intestine dysmotility and structural problems in your small intestine. […] Low stomach acid (hypochlorhydria) reduces your body’s ability to moderate bacterial growth. […] Overuse of certain medications can upset the normal balance of flora. […] Small intestine dysmotility means that waste is retained for too long in your small intestine before emptying into your large intestine. […] Structural problems in your small intestine can inhibit motility and the regular clearing of residual bacteria and create extra nooks and crannies for bacteria to build up. […] As you get older, you gain more risk factors for SIBO. These include lower stomach acid and motility levels as well as higher levels of medications that might encourage SIBO.

• #93 9 Causes of SIBO That Has You Struggling | Naturopathic Vancouver

  https://integrative.ca/blog/sibo-struggle

  Systemic antibiotic exposure, through prescriptions as well as exposure to antibiotic-treated livestock, kills off both harmful and helpful bacteria, upsetting the balance of the microbiome. […] Additionally, conditions of immune deficiency, such as HIV/AIDs and IgA deficiency, as well as autoimmune conditions, such as Celiac and scleroderma, predispose to SIBO. […] An episode of acute gastroenteritis (food poisoning) can greatly impair the MMC. […] One occurrence of gastroenteritis may increase the chances of developing IBS/SIBO six-fold, resulting in post-infectious SIBO. […] There are many other health concerns under consideration as risk factors for developing SIBO such as carbohydrate intolerance, the location we live in, and leaky gut. […] It is unclear as to whether these conditions predispose people to SIBO, or if SIBO is playing a large role in the pathogenesis of these conditions. […] SIBO itself is not the disease; it is the end result.

• #94 Don’t Be Sidelined By SIBO: The Facts On Small Intestinal Bacterial Overgrowth – Optimum Wellness Integrated Clinic

  https://optimumwellnessclinic.ca/dont-be-sidelined-by-sibo/

  Small intestinal bacterial overgrowth (SIBO) is an undiagnosed condition caused by an excess of bacteria in the small intestine. […] Many medical conditions create the conditions that lead to bacterial overgrowth in the small intestine, including irritable bowel syndrome by some estimates, almost 80% of people with IBS also have SIBO. […] One of the most common triggers for SIBO is bacterial gastroenteritis, more commonly referred to as food poisoning. […] Stress is also a common contributor to SIBO, in part because stress can also affect motility and trigger digestive upset.

• #95 Small Intestinal Bacterial Overgrowth

  https://sibotest.com/pages/what-is-sibo

  SIBO is a condition where bacterial overgrowth occurs in the absorptive area of the body the SMALL INTESTINE. […] The ileocecal valve (which connects the large and the small intestine) is dysfunctional, allowing large intestinal bacteria to migrate upwards into the small intestine, where they wreak havoc. […] The result is bacteria are allowed to grow and proliferate throughout the small intestine (a little over 6 meters in length). […] SIBO causes damage to the absorptive surface of the small intestine – the ability of the body to absorb nutrients from food. […] Causes of SIBO: Post infectious: a case of gastroenteritis can often be the heralding event for the development of SIBO. […] Overconsumption of simple carbohydrates. […] Medications: proton pump inhibitors, morphine and other opiates, narcotics, possibly beta agonists and calcium channel blockers.

• #96 9 Causes of SIBO That Has You Struggling | Naturopathic Vancouver

  https://integrative.ca/blog/sibo-struggle

  Systemic antibiotic exposure, through prescriptions as well as exposure to antibiotic-treated livestock, kills off both harmful and helpful bacteria, upsetting the balance of the microbiome. […] Additionally, conditions of immune deficiency, such as HIV/AIDs and IgA deficiency, as well as autoimmune conditions, such as Celiac and scleroderma, predispose to SIBO. […] An episode of acute gastroenteritis (food poisoning) can greatly impair the MMC. […] One occurrence of gastroenteritis may increase the chances of developing IBS/SIBO six-fold, resulting in post-infectious SIBO. […] There are many other health concerns under consideration as risk factors for developing SIBO such as carbohydrate intolerance, the location we live in, and leaky gut. […] It is unclear as to whether these conditions predispose people to SIBO, or if SIBO is playing a large role in the pathogenesis of these conditions. […] SIBO itself is not the disease; it is the end result.

• #97 9 Causes of SIBO That Has You Struggling | Naturopathic Vancouver

  https://integrative.ca/blog/sibo-struggle

  Systemic antibiotic exposure, through prescriptions as well as exposure to antibiotic-treated livestock, kills off both harmful and helpful bacteria, upsetting the balance of the microbiome. […] Additionally, conditions of immune deficiency, such as HIV/AIDs and IgA deficiency, as well as autoimmune conditions, such as Celiac and scleroderma, predispose to SIBO. […] An episode of acute gastroenteritis (food poisoning) can greatly impair the MMC. […] One occurrence of gastroenteritis may increase the chances of developing IBS/SIBO six-fold, resulting in post-infectious SIBO. […] There are many other health concerns under consideration as risk factors for developing SIBO such as carbohydrate intolerance, the location we live in, and leaky gut. […] It is unclear as to whether these conditions predispose people to SIBO, or if SIBO is playing a large role in the pathogenesis of these conditions. […] SIBO itself is not the disease; it is the end result.

• #98 Small Intestinal Bacterial Overgrowth (SIBO) and Twelve Groups of Related Diseases—Current State of Knowledge

  https://www.mdpi.com/2227-9059/12/5/1030

  Small intestinal bacterial overgrowth (SIBO) is defined as an increase in the number of bacteria (10^3–10^5 CFU/mL), an alteration in the bacterial composition, or both in the small intestine. […] Abnormal translocation of the intestinal microbiota from the large intestine to the small intestine can result in small intestinal bacterial overgrowth syndrome, abbreviated as SIBO. […] The leading cause of SIBO is a dysfunction in the movement of food content through the small intestine, delayed orocecal transit time (OCTT), and elevated gastric pH; for example, due to prolonged intake of proton pump inhibitors (PPIs) or after gastric surgery. […] Excessive proliferation of carbohydrate-fermenting bacteria leading to gas production in the small intestine can cause the accumulation of carbohydrates, as well as the accumulation of other products of bacterial metabolism, causing discomfort.

• #99 Small intestinal bacterial overgrowth – Wikipedia

  https://en.wikipedia.org/wiki/Small_intestinal_bacterial_overgrowth

  Small intestinal bacterial overgrowth (SIBO), also termed bacterial overgrowth, or small bowel bacterial overgrowth syndrome (SBBOS), is a disorder of excessive bacterial growth in the small intestine. […] Risk factors for the development of SIBO include dysmotility; anatomical disturbances in the bowel, including fistulae, diverticula and blind loops created after surgery, and resection of the ileo-cecal valve; gastroenteritis-induced alterations to the small intestine; and the use of certain medications, including proton pump inhibitors. […] Certain people are more predisposed to the development of SIBO because of certain risk factors. These factors can be grouped into four categories: (1) motility disorders, impaired movement of the small bowel, or anatomical changes that lead to stasis (a state in which the normal flow of a body liquid stops); (2) disorders of the immune system; (3) interference with the production of proteolytic enzymes, gastric acid, or bile; and (4) conditions that cause more bacteria from the colon to enter the small bowel.

• #100 Small Intestinal Bacterial Overgrowth – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK546634/

  Small intestinal bacterial overgrowth (SIBO) is the presence of excess colonic bacteria in the small intestine. […] The etiology of small intestinal bacterial overgrowth is complex. It can be from motility, anatomic, immune, gastric hypochlorhydria, and metabolic and other systemic disorders. […] Important host defense mechanisms against bacterial overgrowth in the small intestine are gastric acid and bile, peristalsis, proteolytic digestive enzymes, intact ileocecal valve, and secretory IgA. When these protective barriers fail, SIBO occurs. […] SIBO is associated with disorders of abnormal gastrointestinal motility, such as irritable bowel syndrome, narcotic use, post-radiation enteropathy, hypothyroidism, diabetes mellitus, and scleroderma. […] An intact ileocecal valve and antegrade motility of the ileum prevent retrograde translocation of colonic bacteria.

• #101 Small Intestinal Bacterial Overgrowth (SIBO) – Intestinal Diseases – Gastrointestinal Diseases – Gastroenterology – Diseases – McMaster Textbook of Internal Medicine

  https://empendium.com/mcmtextbook/chapter/B31.II.4.12.

  Small intestinal bacterial overgrowth (SIBO) is a condition in which the small bowel is colonized by excessive numbers of aerobic and anaerobic microbes that normally colonize the colon. […] The prevalence of SIBO in the general population is unknown. It is often associated to other disorders and therefore frequently underdiagnosed. […] Etiology and pathogenesis: There are several mechanisms that prevent bacterial colonization of the small intestine, such as low gastric pH, gastrointestinal (GI) motility, enzymes in pancreatic and biliary secretions, integrity of the intestinal mucosa, direct effects of commensal bacteria, decreased secretion of IgA, and the ileocecal valve. When any of these mechanisms is altered, the risk for SIBO increases: […] Motility disorders, diabetes, and chronic pancreatitis are estimated to account for ~90% of cases of SIBO.

• #102 SIBO: Symptoms of Small Intestine Bacterial Overgrowth

  https://www.verywellhealth.com/signs-of-small-intestinal-bacterial-overgrowth-sibo-4125271

  Bowel obstruction: Obstruction of the small intestine may result from adhesions (scarring) that occur after surgery. […] Decreased small bowel motility: Slow digestion (caused by diabetes, scleroderma, celiac disease, or narcotics) can keep waste in the small intestine. […] SIBO can interfere with your absorption of essential nutrients. […] The bacterial overgrowth also results in microscopic damage to the villi lining the walls of the small intestine, which impairs the absorption of nutrients. […] Nutritional deficits associated with SIBO include: Carbohydrates: Excess bacteria in the small intestine can interfere with carbohydrate absorption. […] Protein: SIBO-induced changes in the small intestine prevent proper protein absorption, resulting in weight loss and decreased immune function.

• #103

  https://link.springer.com/article/10.1007/s11908-024-00847-7

  Findings that members of the Enterobacteriaceae are vital drivers in the pathogenesis of SIBO are further supported by another study by Barlow and Leite et al., which sought to identify microbes that disrupted the normal bacterial communities and dominated over other taxa when present. […] The increase in microbes belonging to Enterobacteriaceae, Escherichia, and Clostridium was more strongly associated with SIBO than microbial load, suggesting that overgrowth of these groups may be more responsible for causing disease than increased microbial load of other microbes. […] Ultimately, the decreases in microbial diversity and increased presence of pathogenic bacteria can contribute to the disease state by destruction of the intestinal barrier, increasing intestinal permeability, increased release of bacterial endotoxins, and translocation of colonic bacteria into the small bowel.

• #104 SIBO: Symptoms of Small Intestine Bacterial Overgrowth

  https://www.verywellhealth.com/signs-of-small-intestinal-bacterial-overgrowth-sibo-4125271

  Bowel obstruction: Obstruction of the small intestine may result from adhesions (scarring) that occur after surgery. […] Decreased small bowel motility: Slow digestion (caused by diabetes, scleroderma, celiac disease, or narcotics) can keep waste in the small intestine. […] SIBO can interfere with your absorption of essential nutrients. […] The bacterial overgrowth also results in microscopic damage to the villi lining the walls of the small intestine, which impairs the absorption of nutrients. […] Nutritional deficits associated with SIBO include: Carbohydrates: Excess bacteria in the small intestine can interfere with carbohydrate absorption. […] Protein: SIBO-induced changes in the small intestine prevent proper protein absorption, resulting in weight loss and decreased immune function.

• #105 SIBO: Symptoms of Small Intestine Bacterial Overgrowth

  https://www.verywellhealth.com/signs-of-small-intestinal-bacterial-overgrowth-sibo-4125271

  Fat: With SIBO, the active bile acids (conjugated) responsible for the breakdown and absorption of fat are deficient. […] Vitamin B12 deficiency can occur with SIBO because the excess bacteria in the small intestine utilize the vitamin themselves, decreasing its availability for your body. […] SIBO can cause iron deficiency, which results in microcytic anemia (small, dysfunctional red blood cells) and several other health effects, such as fatigue. […] A variety of illnesses may predispose you to SIBO. […] Researchers note that SIBO has been detected in a third of patients with GI symptoms who took a breath test, and that smoking is another risk factor for the condition. […] More research is needed to better understand SIBO symptoms, the complications caused by intestinal damage itself, and the ways that SIBO affects other diseases like non-alcoholic fatty liver disease.

• #106 Small Intestinal Bacterial Overgrowth (SIBO) – IFFGD

  https://iffgd.org/gi-disorders/other-disorders/small-intestinal-bacterial-overgrowth-sibo/

  There are more bacteria found in the human intestinal tract than there are human cells in our body. Most of these bacteria live in the large bowel (colon), while fewer stay in the small bowel. Small intestinal bacterial overgrowth (SIBO) is defined as an overwhelming number of bacteria in the small intestine, resulting in gastrointestinal (GI) symptoms. […] Many different types of bacteria are involved in SIBO but Escherichia coli (E coli) and Klebsiella are the most common. Patients with SIBO have less bacterial diversity in their small bowel compared to healthy people. […] Certain conditions can cause a decrease or stop movement in the small intestine. When this happens, the chance of developing SIBO, or small intestinal bacterial overgrowth, increases. […] Some of these conditions include: Changes in the shape of the intestines due to surgeries, Small pouches in the small intestine called diverticula, Narrowing of the intestines from inflammatory bowel disease or previous surgeries, Rheumatologic diseases that affect the intestines, Diabetes, Scar tissue in the abdomen from previous surgeries, Severe constipation. […] Medications and a past episode of food poisoning can also affect the movement of the small intestine.

• #107

  https://link.springer.com/article/10.1007/s11908-024-00847-7

  Findings that members of the Enterobacteriaceae are vital drivers in the pathogenesis of SIBO are further supported by another study by Barlow and Leite et al., which sought to identify microbes that disrupted the normal bacterial communities and dominated over other taxa when present. […] The increase in microbes belonging to Enterobacteriaceae, Escherichia, and Clostridium was more strongly associated with SIBO than microbial load, suggesting that overgrowth of these groups may be more responsible for causing disease than increased microbial load of other microbes. […] Ultimately, the decreases in microbial diversity and increased presence of pathogenic bacteria can contribute to the disease state by destruction of the intestinal barrier, increasing intestinal permeability, increased release of bacterial endotoxins, and translocation of colonic bacteria into the small bowel.

• #108

  https://link.springer.com/article/10.1007/s11908-024-00847-7

  Findings that members of the Enterobacteriaceae are vital drivers in the pathogenesis of SIBO are further supported by another study by Barlow and Leite et al., which sought to identify microbes that disrupted the normal bacterial communities and dominated over other taxa when present. […] The increase in microbes belonging to Enterobacteriaceae, Escherichia, and Clostridium was more strongly associated with SIBO than microbial load, suggesting that overgrowth of these groups may be more responsible for causing disease than increased microbial load of other microbes. […] Ultimately, the decreases in microbial diversity and increased presence of pathogenic bacteria can contribute to the disease state by destruction of the intestinal barrier, increasing intestinal permeability, increased release of bacterial endotoxins, and translocation of colonic bacteria into the small bowel.

• #109 Small intestinal bacterial overgrowth syndrome

  https://www.wjgnet.com/1007-9327/full/v16/i24/2978.htm

  SIBO is defined as an increase in the number and/or alteration in the type of bacteria in the upper gastrointestinal tract. […] The aetiology of SIBO is usually complex, associated with disorders of protective antibacterial mechanisms (e.g. achlorhydria, pancreatic exocrine insufficiency, immunodeficiency syndromes), anatomical abnormalities (e.g. small intestinal obstruction, diverticula, fistulae, surgical blind loop, previous ileo-caecal resections) and/or motility disorders. […] Out of all diseases and disorders associated with SIBO (listed below in detail), 90% of cases comprise small intestinal motility disorders (of various aetiology) and chronic pancreatitis. […] The aetiology of SIBO is usually complex, associated with disorders of protective antibacterial mechanisms (e.g. achlorhydria, pancreatic exocrine insufficiency, immunodeficiency syndromes), anatomical abnormalities (e.g. small intestinal obstruction, diverticula, fistulae, surgical blind loop, previous ileo-caecal resections) and/or motility disorders. […] In some cases, a vicious circle arises: an underlying disease is complicated by SIBO and then SIBO directly (as a morphological impact) or vicariously (by malabsorption or nutrient deficiency) causes further deterioration of the underlying disease.

• #110 Small Intestinal Bacterial Overgrowth (SIBO) | BeyondCeliac.org

  https://www.beyondceliac.org/celiac-disease/related-conditions/small-intestinal-bacterial-overgrowth-sibo/

  SIBO, also known as small bowel bacterial overgrowth (SBBO), refers to a condition in which abnormally large numbers of bacteria are present in the small intestine. […] In particular, SIBO seems to affect those with celiac disease whose symptoms continue despite the gluten-free diet. […] A 2007 study classified celiac disease as a motility disorder that can cause SIBO. […] SIBO is a common problem in celiac disease that appears to be caused by the intestines moving too slowly or irregularly. Decreased function of the immune system also appears to play a role. […] Left untreated, SIBO can result in persistent damage to the villi, leading to vitamin deficiencies and elevations in celiac antibody levels.

• #111 Small Intestinal Bacterial Overgrowth (SIBO) – Intestinal Diseases – Gastrointestinal Diseases – Gastroenterology – Diseases – McMaster Textbook of Internal Medicine

  https://empendium.com/mcmtextbook/chapter/B31.II.4.12.

  SIBO often presents with other concomitant conditions such as functional GI disorders, diabetes, celiac disease, or IBS, or after a GI surgery. Concomitant celiac disease and SIBO commonly manifest as a lack of an adequate response to a gluten-free diet. […] Treatment of SIBO involves modification of risk factors, correction of nutritional deficiencies, and oral antibiotics. […] Rifaximin is the most studied antimicrobial drug for SIBO. It has been preferred over other antibiotics because of its limited absorption and systemic effects.

• #112 Small Intestinal Bacterial Overgrowth and Irritable Bowel Syndrome: A Bridge between Functional Organic Dichotomy

  https://www.gutnliver.org/journal/view.html?doi=10.5009/gnl16126

  The pathogenesis of irritable bowel syndrome (IBS), once thought to be largely psychogenic in origin, is now understood to be multifactorial. One of the reasons for this paradigm shift is the realization that gut dysbiosis, including small intestinal bacterial overgrowth (SIBO), causes IBS symptoms. Between 4% and 78% of patients with IBS and 1% and 40% of controls have SIBO; such wide variations in prevalence might result from population differences, IBS diagnostic criteria, and, most importantly, methods to diagnose SIBO. […] A proportion of patients with IBS are known to have SIBO. Recent realization that SIBO may be associated with symptoms of IBS, led to a paradigm shift in understanding the pathogenesis of this condition, hitherto thought to be related largely to psychological factors, to more organic nature.

• #113 Small Intestinal Bacterial Overgrowth and Irritable Bowel Syndrome: A Bridge between Functional Organic Dichotomy

  https://www.gutnliver.org/journal/view.html?doi=10.5009/gnl16126

  Female gender, older age, diarrhea-predominant IBS, bloating and flatulence, proton pump inhibitor and narcotic intake, and low hemoglobin are associated with SIBO among IBS patients. […] There are several factors that are associated with SIBO among patients with IBS. These include female gender, older age, predominant symptom of bloating and flatulence, and diarrheal subtype of IBS. […] SIBO can be classified into two categories based on difference in bacterial flora: (1) Gram positive flora might be due to failure of gastric acid barrier, and (2) coliform bacteria might be due to failure of intestinal clearance and small bowel anatomical alterations. […] Though the pathophysiology of IBS remains largely enigmatic, evidence from recent studies does show that dysbiosis may contribute to development of symptoms, at least in a subset of patients.

• #114 5 Health Conditions That Are Associated with Small Intestinal Bacterial Overgrowth (SIBO)

  https://www.rupahealth.com/post/5-health-conditions-that-are-associated-with-small-intestinal-bacterial-overgrowth-sibo

  People with diabetes may have a higher likelihood of experiencing SIBO. Complications like nerve damage and slowed stomach emptying in diabetes might increase SIBO risk. Conversely, SIBO might affect glucose control and digestive health in diabetes. […] Intestinal imbalances might contribute to inflammation and joint discomfort in autoimmune arthritis. Some studies suggest a link between SIBO and conditions like rheumatoid arthritis and lupus, with SIBO potentially influencing disease activity.

• #115 Understanding SIBO: Causes, symptoms and treatment | The Gut Health Doctor

  https://www.theguthealthdoctor.com/sibo-2

  SIBO, or Small Intestinal Bacterial Overgrowth, is a condition in which excessive bacteria grow in the small intestine, causing various gastrointestinal symptoms. […] Several mechanisms are responsible for maintaining the relatively sterile environment of the small intestine. If any of these are disrupted, it can result in the development of SIBO. The following are now recognised, amongst others, as potential risk factors: gastric surgery, including bariatric surgery, certain medications or chemotherapy for cancer treatment, a gut motility disorder, chronic pancreatitis, reduced acid secretion (this is common with long-term PPI use), immune-related conditions (e.g. immunoglobulin A deficiency, coeliac disease, HIV), Irritable Bowel Syndrome (IBS), Crohns disease. […] The causes(s) are multifactorial, and each needs to be determined and addressed to prevent recurrence and avoid repeated courses of antibiotics.

• #116 Small intestinal bacterial overgrowth (SIBO) – Diagnosis & treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/small-intestinal-bacterial-overgrowth/diagnosis-treatment/drc-20370172

  In order to diagnose small intestinal bacterial overgrowth (SIBO), you may have tests to check for bacterial overgrowth in your small intestine, poor fat absorption, or other problems that may be causing or contributing to your symptoms. […] For most people, the initial way to treat bacterial overgrowth is with antibiotics. […] Doctors may start this treatment if your symptoms and medical history strongly suggest this is the cause, even when test results are inconclusive or without any testing at all. […] Whenever possible, doctors treat small intestinal bacterial overgrowth (SIBO) by dealing with the underlying problem for example, by surgically repairing a postoperative loop, stricture or fistula. […] Correcting nutritional deficiencies is a crucial part of treating SIBO, particularly in people with severe weight loss. […] Malnutrition can be treated, but the damage it causes can’t always be reversed.

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