Materiały źródłowe

• #1 Iron deficiency anemia – Symptoms & causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/iron-deficiency-anemia/symptoms-causes/syc-20355034

  Iron deficiency anemia signs and symptoms may include: […] Initially, iron deficiency anemia can be so mild that it goes unnoticed. But as the body becomes more deficient in iron and anemia worsens, the signs and symptoms intensify. […] As a result, iron deficiency anemia may leave you tired and short of breath.

• #2 Anemia – Iron-Deficiency Anemia | NHLBI, NIH

  https://www.nhlbi.nih.gov/health/anemia/iron-deficiency-anemia

  People with mild or moderate iron-deficiency anemia may not have any symptoms. More serious iron-deficiency anemia may cause common symptoms of anemia, such as tiredness, shortness of breath, or chest pain. Other symptoms include: […] Fatigue […] Dizziness or lightheadedness […] Cold hands and feet […] Pale skin. Undiagnosed or untreated iron-deficiency anemia may cause serious complications such as fatigue, headaches, restless legs syndrome, heart problems, pregnancy complications, and developmental delays in children. Iron-deficiency anemia can also make other chronic conditions worse or cause their treatments to work poorly.

• #3 Iron-Deficiency Anemia: Symptoms, Causes, and More

  https://www.healthline.com/health/iron-deficiency-anemia

  The symptoms of iron-deficiency anemia can be mild at first, and you may not even notice them. According to the American Society of Hematology (ASH), most people dont realize they have mild anemia until they have a routine blood test. […] The symptoms of moderate to severe iron-deficiency anemia can include: general fatigue, weakness, pale skin, shortness of breath, dizziness, strange cravings to eat items with no nutritional value, a tingling or crawling feeling in the legs, tongue swelling or soreness, cold hands and feet, fast or irregular heartbeat, brittle nails, headaches. […] If you suspect you have an iron deficiency, see a doctor. They can diagnose anemia with blood tests. […] Most cases of iron-deficiency anemia are mild and dont cause complications. The condition can usually be corrected easily. However, if anemia or iron deficiency is left untreated, it can lead to other health problems. These include: Rapid or irregular heartbeat. When youre anemic, your heart has to pump more blood to make up for the low amount of oxygen. This can lead to an irregular heartbeat. In severe cases, it can lead to heart failure or an enlarged heart. […] Delayed growth in infants and children. Infants and children who are severely deficient in iron may experience delayed growth and development. They may also be more prone to infections.

• #4 Iron Deficiency Anemia (Low Iron): Symptoms, Causes, Treatment

  https://www.webmd.com/a-to-z-guides/iron-deficiency-anemia

  Iron deficiency anemia is when your body doesnt have enough red blood cells. […] Without enough oxygen in your blood, you may feel tired, weak, and short of breath. […] Your symptoms of iron deficiency anemia would begin at this stage. […] Mild iron deficiency anemia often isn’t noticeable. When it gets more severe, you may have these symptoms of low iron: Fatigue or weakness, Pale or yellow skin, Shortness of breath, Dizziness or lightheadedness, Headaches, Fast or irregular heartbeat, Chest pain, Cold feet and hands, Brittle, cracked, or spoon-shaped nails, Hair loss, Cracks near the side of your mouth, Pica (craving for things that aren’t food, such as dirt, starch, clay, or ice), Sore and swollen tongue, Restless legs syndrome (an urge to move your legs while youre in bed). […] Your symptoms should start to go away after about a week.

• #5 Iron-Deficiency Anemia: Symptoms, Causes & Treatment

  https://my.clevelandclinic.org/health/diseases/22824-iron-deficiency-anemia

  Iron-deficiency anemia is a common blood disorder that affects your red blood cells. Symptoms tend to develop over time and may include fatigue, shortness of breath or a racing heart rate. […] Iron-deficiency anemia symptoms usually start out mild but worsen over time. They can include: Fatigue, Headaches, Irritability, Muscle cramps, Pallor (pale skin), Pica, Shortness of breath (dyspnea), Sore tongue, Spoon-shaped fingernails and toenails (koilonychia), Tachycardia (fast heart rate). […] Occasionally, it can cause chest pain, a fast heartbeat and shortness of breath. Or it can cause you to crave non-food items like ice, dirt or paper. These are all signs of iron-deficiency anemia. […] Iron-deficiency anemia develops when your body uses the iron stores faster than they can be replaced, or when the flow of iron into your system slows.

• #6 Anemia – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/anemia/symptoms-causes/syc-20351360

  Anemia symptoms depend on the cause and how bad the anemia is. Anemia can be so mild that it causes no symptoms at first. But symptoms usually then occur and get worse as the anemia gets worse. […] Possible symptoms of anemia include: Tiredness. Weakness. Shortness of breath. Pale or yellowish skin, which might be more obvious on white skin than on Black or brown skin. Irregular heartbeat. Dizziness or lightheadedness. Chest pain. Cold hands and feet. Headaches. […] Low levels of the protein in red blood cells that carry oxygen, called hemoglobin, is the main sign of anemia. Some people learn they have low hemoglobin when they donate blood. If you’re told that you can’t donate because of low hemoglobin, make a medical appointment. […] Iron deficiency anemia. Too little iron in the body causes this most common type of anemia. Bone marrow needs iron to make hemoglobin. Without enough iron, the body can’t make enough hemoglobin for red blood cells. […] Slow, chronic blood loss from an ulcer or other source within the body can use up the body’s store of iron, leading to iron deficiency anemia.

• #7 Iron deficiency anaemia

  https://www.nhs.uk/conditions/iron-deficiency-anaemia/

  Symptoms of iron deficiency anaemia can include: tiredness and lack of energy […] shortness of breath […] noticeable heartbeats (heart palpitations) […] paler than usual skin […] headaches […] Less common symptoms of iron deficiency anaemia include: hearing ringing, buzzing or hissing noises inside your head (tinnitus) […] food tasting strange […] feeling itchy […] a sore tongue […] hair loss you notice more hair coming out when brushing or washing it […] wanting to eat non-food items, such as paper or ice (pica) […] finding it hard to swallow (dysphagia) […] painful open sores (ulcers) in the corners of your mouth […] nail changes, such as spoon-shaped nails […] restless legs syndrome […] If the blood test shows your red blood cell count is low, iron tablets will be recommended to replace the iron that’s missing from your body

• #8 Iron Deficiency Anemia – Hematology and Oncology – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/hematology-and-oncology/anemias-caused-by-deficient-erythropoiesis/iron-deficiency-anemia

  Iron deficiency is the most common cause of anemia and usually results from blood loss; malabsorption, such as occurs in celiac disease, is a much less common cause. Symptoms are usually nonspecific. […] Most symptoms of iron deficiency are due to anemia. Such symptoms include fatigue, loss of stamina, shortness of breath, weakness, dizziness, and pallor. Another uncommon associated condition is restless leg syndrome (RLS), which is an unpleasant urge to move the legs during periods of inactivity. […] In addition to the usual manifestations of anemia, some uncommon symptoms occur in severe iron deficiency. Patients may have pica, an abnormal craving to eat nonfood substances (eg, ice, dirt, paint, starch, ashes). Other symptoms of severe deficiency include glossitis, cheilosis, and concave nails (koilonychia).

• #9 Anemia: Symptoms, Causes & Treatment

  https://my.clevelandclinic.org/health/diseases/3929-anemia

  Anemia may cause different symptoms like fatigue, dizziness, pale skin, heart palpitations and feeling short of breath. […] If you have anemia, you may have symptoms like fatigue, heart palpitations, pale skin or feeling short of breath that dont go away within two weeks. […] Fatigue feeling too tired to manage your activities is the most noticeable anemia symptom. Other symptoms may include: Chest pain, Dizziness, Frequent infections, Heart palpitations, Headache, Pallor (skin color thats paler than usual), Pulsatile tinnitus, Shortness of breath (dyspnea). […] Chronic anemia can cause serious medical issues like heart attack, heart failure and organ damage. […] Treatment may manage anemia symptoms. But many things can cause it, like incurable inherited disorders and chronic diseases. Chronic anemia, like anemia that goes without treatment, can cause serious complications, including organ damage.

• #10 Iron-Deficiency Anemia – Hematology.org

  https://www.hematology.org/education/patients/anemia/iron-deficiency

  Symptoms of iron-deficiency anemia are related to decreased oxygen delivery to the entire body and may include: […] Being pale or having yellow „sallow” skin […] Unexplained fatigue or lack of energy […] Shortness of breath or chest pain, especially with activity […] Unexplained generalized weakness […] Rapid heartbeat […] Pounding or „whooshing” in the ears […] Headache, especially with activity […] Craving for ice or clay – „picophagia” […] Sore or smooth tongue […] Brittle nails or hair loss.

• #11 Iron deficiency anemia Information | Mount Sinai – New York

  https://www.mountsinai.org/health-library/diseases-conditions/iron-deficiency-anemia

  Anemia is a condition in which the body does not have enough healthy red blood cells. […] Iron deficiency anemia occurs when your body does not have enough iron. Iron helps make red blood cells. Iron deficiency anemia is the most common form of anemia. […] You may have no symptoms if the anemia is mild. Most of the time, symptoms are mild at first and develop slowly. Symptoms may include: Feeling weak or tired more often than usual, or with exercise, Headaches, Dizziness, Palpitations, Problems concentrating or thinking. […] As the anemia gets worse, symptoms may include: Brittle nails, Blue color to the whites of the eye, Desire to eat ice or other non-food things (pica), Feeling lightheaded when you stand up, Pale skin color, Shortness of breath, Sore or inflamed tongue, Mouth ulcers, Uncontrolled movement of legs (during sleep), Hair loss. […] Symptoms of the conditions associated with bleeding that cause iron deficiency anemia include: Dark, tar-colored stools or blood in the stool, Heavy menstrual bleeding, Pain in the upper belly (from ulcers). […] With treatment, the outcome is likely to be good, but it does depend on the cause.

• #12 Iron Deficiency Anemia: Signs and Symptoms

  https://www.health.com/iron-deficiency-anemia-symptoms-7495221

  Iron is an essential mineral that your body needs to make red blood cells. It’s estimated that up to 1.5 billion people worldwide have iron deficiency. Being iron deficient is the most common cause of anemiaa health condition that occurs when your body does not make enough red blood cells to send oxygen to your tissues. […] In the early stages of iron deficiency, you might not have any symptoms. But over time, you may develop fatigue, weakness, shortness of breath, craving non-food items, and changes to your nail and hair health. […] When you are iron deficient, you typically have a low red blood cell count, which makes it difficult for your blood to deliver adequate oxygen to the rest of your body. As a result, you can experience symptoms such as: Fatigue, Dizziness or lightheadedness, Weakness, Shortness of breath, Difficulty exercising, Chest discomfort, Headache, Pale skin, Heart palpitations, Cold hands and feet.

• #12 Iron Deficiency Anemia: Signs and Symptoms

  https://www.health.com/iron-deficiency-anemia-symptoms-7495221

  Symptoms of iron deficiency anemia can occur graduallymaking it easy to ignore them at first. However, if you notice a significant shift in energy or are experiencing symptoms of iron deficiency anemia, it’s important to visit your healthcare provider for proper testing. […] Iron deficiency anemia can cause symptoms such as fatigue, weakness, shortness of breath, and pale skin, among others. These symptoms can interfere with your daily functioning and lower your quality of life.

• #13 Weird Signs of Iron Deficiency: 7 Signs You Could Have Low Iron

  https://www.everydayhealth.com/news/unusual-signs-iron-deficiency/

  Spoon-shaped nails and a swollen, smooth tongue are two odd signs of an iron deficiency. An iron deficiency can lead to anemia, which is a blood disorder that happens when red blood cells shrink and contain less hemoglobin. While fatigue, paleness, and headaches are common signs of an iron deficiency, there are also some unusual symptoms to watch out for. When iron levels are low, the tongue may become swollen, painful, smooth, and red a condition called glossitis. Anemia symptoms can manifest in your mouth. You may develop dry mouth, mouth ulcers, burning in your mouth, or sores or redness at the corners of your mouth. A bluish tint in the whites of your eyes, which doctors call blue sclera, may be a sign of iron deficiency. An iron deficiency can cause your nails to dip in the middle and appear indented. This spoon-shaped appearance is known as koilonychia. Low levels of iron in the brain can trigger restless legs syndrome (RLS), which causes involuntary and uncomfortable sensations that make you want to move your legs. Trouble remembering things, difficulty concentrating, or brain fog could all signal an iron deficiency. Ringing in the ears, which is called tinnitus, affects some people with anemia. Common symptoms of an iron deficiency include fatigue and pale skin. But more unusual signs, such as a bluish tint in the whites of the eyes, can also indicate low iron. Without adequate iron, the body is unable to produce enough hemoglobin in red blood cells to carry oxygen throughout the body, leaving the body unable to function properly.

• #14 Iron deficiency anaemia | NHS inform

  https://www.nhsinform.scot/illnesses-and-conditions/nutritional/iron-deficiency-anaemia/

  Iron deficiency anaemia is a condition where a lack of iron in the body leads to a reduction in the number of red blood cells. […] Many people with iron deficiency anaemia only have a few symptoms. The severity of the symptoms largely depends on how quickly anaemia develops. […] The most common symptoms include: tiredness and lack of energy (lethargy), shortness of breath, noticeable heartbeats (heart palpitations), a pale complexion. […] Less common symptoms include: headache, hearing sounds that come from inside the body, rather than from an outside source (tinnitus), an altered sense of taste, feeling itchy, a sore or abnormally smooth tongue, hair loss, a desire to eat non-food items, such as ice, paper or clay (pica), difficulty swallowing (dysphagia), painful open sores (ulcers) on the corners of your mouth, spoon-shaped nails.

• #15 What are the Symptoms of Iron Deficiency? | Hematology-Oncology Associates of CNY

  https://www.hoacny.com/patient-resources/blood-disorders/what-iron-deficiency-anemia/what-are-symptoms-iron-deficiency

  The signs and symptoms of iron-deficiency anemia depend on its severity. Mild to moderate iron-deficiency anemia may have no signs or symptoms. […] When signs and symptoms do occur, they can range from mild to severe. Many of the signs and symptoms of iron-deficiency anemia apply to all types of anemia. […] Anemia also can cause shortness of breath, dizziness, headache, coldness in your hands and feet, pale skin, chest pain, weakness, and fatigue (tiredness). […] Signs and symptoms of iron deficiency may include brittle nails, swelling or soreness of the tongue, cracks in the sides of the mouth, an enlarged spleen, and frequent infections. […] People who have iron-deficiency anemia may have an unusual craving for nonfood items, such as ice, dirt, paint, or starch. This craving is called pica (PI-ka or PE-ka).

• #16 Iron-Deficiency Anemia: Symptoms, Causes & Treatment

  https://my.clevelandclinic.org/health/diseases/22824-iron-deficiency-anemia

  This occurs in three stages: First stage. Iron stores decrease. Your low iron supply hasn’t affected your red blood cells yet. Second stage. When iron stores are low, your body alters the way it processes red blood cells. Your bone marrow makes red blood cells without enough hemoglobin. Third stage. Hemoglobin drops below the normal range. You may develop signs of iron-deficiency anemia. […] Severe or untreated iron-deficiency anemia can lead to complications like: Brain fog, Growth or developmental delays (in children), Heart conditions like enlarged heart or heart failure, Restless legs syndrome. […] The outlook is good with treatment, but your healthcare provider will need to address any underlying conditions that cause iron-deficiency anemia. Iron supplementation is only a temporary fix because it doesn’t address the actual cause. […] If you’ve already developed iron-deficiency anemia, a healthcare provider can easily correct the condition with treatment.

• #17 Iron Deficiency Anemia – Hematology and Oncology – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/hematology-and-oncology/anemias-caused-by-deficient-erythropoiesis/iron-deficiency-anemia

  Iron deficiency develops in stages. In the first stage, iron requirement exceeds intake, causing progressive depletion of bone marrow iron stores. As stores decrease, absorption of dietary iron increases in compensation. During later stages, deficiency impairs RBC synthesis, ultimately causing anemia. […] Severe and prolonged iron deficiency also may cause dysfunction of iron-containing cellular enzymes.

• #18 What Are the 3 Stages of Iron Deficiency?

  https://www.medicinenet.com/what_are_the_3_stages_of_iron_deficiency/article.htm

  Iron deficiency progresses towards the anemic state in the following three stages. The speed of progress depends on the individual’s baseline iron stores as well as the degree, duration, and speed of iron or blood loss. […] Iron deficiency occurs in several stages. These are defined by the extent of depletion; the first stage is depletion of iron stores and in the later stage, iron is available just in labile forms. Eventually, if the negative iron balance continues, anemia occurs. […] In the first stage, iron stores are used up to compensate for the decreasing hemoglobin, without causing anemia. After these stores are used up, there is still enough iron present in the body within the „labile” iron pool from the daily turnover of red blood cells for normal red blood cell formation. Such a person is at increased anemia risk if the iron losses continue and the iron intake remains poor. Some individuals may experience fatigue or show decreased exercise tolerance at this stage.

• #19 Chronic Iron Deficiency – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK560876/

  Chronic iron deficiency is the most common nutrient deficiency in the world and a significant common cause of anemia worldwide. […] Iron deficiency or sideropenia is a state where total body iron stores are inadequate to support normal metabolic functions. Iron deficiency occurs in three stages. In the pre-latent stage, iron stores are low or absent, but serum iron concentration is normal. In the latent stage, transferrin saturation and serum iron become reduced in addition to low ferritin. The last stage is marked by a drop in hemoglobin along with depletion of iron stores and a reduction in serum iron and transferrin saturation. […] The majority of symptoms are nonspecific, which can include but not limited to generalized weakness, fatigue, poor concentration, irritability, headaches, shortness of breath on exertion, and decreased exercise capacity. […] If untreated, it is associated with significant morbidity and mortality, especially in older adults and those with underlying chronic medical conditions, e.g., heart failure, CKD. […] If untreated, iron deficiency is associated with significant cognitive impairment and poor quality of life.

• #20 7 Signs You Could Have Iron Deficiency Anemia

  https://www.eatingwell.com/article/7676216/sneaky-signs-you-could-have-iron-deficiency/

  Both celiac disease and inflammatory bowel disease (IBD) can hinder nutrient absorption, and specifically, how much iron is absorbed from food in your small intestine. […] The thing about iron deficiency is that it isn’t the easiest to identify. The symptoms can come on slowly as your iron levels begin (and continue) to dip especially as you move from mildly deficient to marginally deficient to iron deficiency anemia, which is the most severe. […] „I have seen people have iron deficiency anemia for years before it starts to inhibit their day-to-day life,” says Thomas DeLoughery, M.D., M.A.C.P., FAWM, professor of medicine, pathology and pediatrics at Oregon Health and Science University.

• #20 7 Signs You Could Have Iron Deficiency Anemia

  https://www.eatingwell.com/article/7676216/sneaky-signs-you-could-have-iron-deficiency/

  You’re Tired All the Time. Fatigue is one of the most common symptoms of iron deficiency and can appear with even a mild dip in iron stores, according to the National Heart, Lung, and Blood Institute. […] If you find that your hands and feet are constantly cold, you may be dealing with low iron. […] If you struggle to catch your breath, despite keeping up with regular workouts, it could be that you’re low in iron. […] Being more „sensitive” to annoyances is a symptom you may see listed with iron deficiency. […] If you’re losing about 50 to 100 hairs per day, you’re in the clear, but anything beyond that may be a red flag for low iron, according to the American Academy of Dermatology. […] Low iron levels may impact the levels of these neurotransmitters and impact your mood and depression/anxiety symptoms, according to a 2023 review study published in Antioxidants.

• #21 What Are the 3 Stages of Iron Deficiency?

  https://www.medicinenet.com/what_are_the_3_stages_of_iron_deficiency/article.htm

  Further loss of iron: Results in anemia (low hemoglobin) but the red cells have a normal shape and contain a decent amount of iron. […] More severe iron deficiency results in the classical findings of anemia with red blood cells that are low in iron content and are smaller in size. […] If you have iron deficiency, you may have fatigue, tiredness or weakness, pale or yellow skin, shortness of breath, dizziness, light-headedness, feeling like passing out, swollen, sore tongue, abnormal heart rate, fast or unusual heartbeat, headache, pain in your bones, chest, belly, and joints, growth issues in children, cold hands and feet.

• #22 Iron Deficiency Anemia: Evaluation and Management | AAFP

  https://www.aafp.org/pubs/afp/issues/2013/0115/p98.html

  Iron deficiency anemia is diminished red blood cell production due to low iron stores in the body. […] Iron deficiency anemia can result from inadequate iron intake, decreased iron absorption, increased iron demand, and increased iron loss. […] Diagnosis of iron deficiency anemia requires laboratory-confirmed evidence of anemia, as well as evidence of low iron stores. […] A complete blood count can be helpful to determine the mean corpuscular volume or red blood cell size. […] Although iron deficiency is the most common cause of microcytic anemia, up to 40 percent of patients with iron deficiency anemia will have normocytic erythrocytes. […] Excessive menstruation is a common cause of iron deficiency anemia in premenopausal women in developed countries; however, a GI source (particularly erosive lesions in the stomach or esophagus) is present in 6 to 30 percent of cases.

• #22 Iron Deficiency Anemia: Evaluation and Management | AAFP

  https://www.aafp.org/pubs/afp/issues/2013/0115/p98.html

  If the gynecologic workup is negative and the patient does not respond to iron therapy, endoscopy should be performed to exclude an occult GI source. […] In men and postmenopausal women, GI sources of bleeding should be excluded. […] If initial endoscopy findings are negative and patients with iron deficiency anemia do not respond to iron therapy, repeat upper and lower endoscopy may be justified. […] Patients with an underlying condition that causes iron deficiency anemia should be treated or referred to a subspecialist (e.g., gynecologist, gastroenterologist) for definitive treatment.

• #23 Iron deficiency anaemia

  https://www.nhs.uk/conditions/iron-deficiency-anaemia/

  Some people get side effects when taking iron tablets like: constipation or diarrhoea […] tummy pain […] heartburn […] feeling sick […] darker than usual poo […] Your GP may carry out repeat blood tests over the next few months to check that your iron level is getting back to normal […] Untreated iron deficiency anaemia: can make you more at risk of illness and infection a lack of iron affects the immune system […] may increase your risk of developing complications that affect the heart or lungs such as an abnormally fast heartbeat (tachycardia) or heart failure […] can cause a greater risk of complications before and after birth if you’re pregnant.

• #24 Iron deficiency anaemia | NHS inform

  https://www.nhsinform.scot/illnesses-and-conditions/nutritional/iron-deficiency-anaemia/

  If iron deficiency anaemia is left untreated, it can make you more susceptible to illness and infection, as a lack of iron affects the body’s natural defence system (the immune system). […] Severe iron deficiency anaemia may increase your risk of developing complications that affect the heart or lungs, such as an abnormally fast heartbeat (tachycardia) or heart failure, where your heart is unable to pump enough blood around your body at the right pressure. […] Pregnant women with severe or untreated anaemia also have a higher risk of complications before and after birth.

• #25 7 Strange Symptoms of Iron-Deficiency Anemia – ER of Texas

  https://www.eroftexas.com/7-strange-symptoms-iron-deficiency-anemia/

  Changes to your tongue, including soreness or swelling, can be a sign of iron deficiency. […] Some people who have iron deficiency develop restless legs syndrome, a disorder that causes you to have a strong urge to move your legs. […] People with iron deficiency may develop cravings for non-food substances, such as clay, dirt, or chalk, a condition known as pica. […] Iron deficiency, especially when it develops into anemia, can cause hair loss. […] Some common signs you may have this condition include: Your nails are brittle or spoon. This is a condition called koilonychia. Your nails look concave, like spoons, instead of growing flat […] You have pale skin, or your skin is paler than usual […] Your tongue hurts or feels sore.

• #25 7 Strange Symptoms of Iron-Deficiency Anemia – ER of Texas

  https://www.eroftexas.com/7-strange-symptoms-iron-deficiency-anemia/

  Anemia is a common illness, but its also very debilitating. Many suffer in silence without realizing their seemingly common symptoms are due to anemia. If youre experiencing any of the following, it might be time to speak to a doctor. […] If your body doesn’t have enough iron, it cannot produce enough healthy oxygen-carrying red blood cells. Iron deficiency can cause anemia, which means you have too little hemoglobin. […] Fatigue is one of the most common signs of iron deficiency because it means your body is having trouble carrying the oxygen to your cells so its affecting your energy levels. […] Iron plays a key role in a healthy immune system, so lower levels of the mineral can make someone more susceptible to infections. […] Hemoglobin gives skin its rosy color, so low levels cause the skin to become lighter.

• #26 10 Symptoms of Anemia You Shouldn’t Ignore | Texas Medical Institute

  https://www.texasmedicalinstitute.com/10-symptoms-of-anemia-you-shouldnt-ignore/

  Small exertions can cause shortness of breath or fainting spells. […] A rapid heartbeat and palpitations along with feelings of anxiety (due to a deprived sympathetic nervous system) may be connected to a lack of oxygen in the blood. […] A consistently rapid heart rate is not good for your heart or for the rest of your body. When there’s a low level of oxygen in the blood, the heart works extra hard to compensate. This puts a lot of pressure on the heart, which can cause it to beat faster, irregularly, and experience pain. […] Untreated anemia can exacerbate underlying cardiovascular issues. Extreme cases can lead to an enlarged heart, heart murmurs, or even heart failure. […] Anemia sufferers often experience cold hands and feet even in warm weather because of poor circulation. Less blood is delivered to the limbs, leaving them feeling cold.

• #27 Iron Deficiency Anaemia – Auckland Iron Clinic

  https://www.aucklandironclinic.co.nz/iron-deficiency-anaemia/

  Mild iron deficiency usually doesn’t cause complications. However, left untreated, iron deficiency can become severe and result in low haemoglobin (anaemia) and lead to health problems, including heart problems, problems during pregnancy, and growth problems. […] Iron deficiency may lead to a rapid or irregular heartbeat. Your heart must pump more blood to compensate for the lack of oxygen carried in your blood when you’re anaemic. This can lead to an enlarged heart or heart failure. […] In pregnant women, severe iron deficiency anaemia has been linked to premature births and low birth weight babies. […] In infants and children, severe iron deficiency can lead to anaemia as well as delayed growth and development. Additionally, iron deficiency anaemia is associated with an increased susceptibility to infections.

• #28 Iron-Deficiency Anaemia: Symptoms, Causes, and Treatment

  https://patient.info/allergies-blood-immune/anaemia-leaflet/iron-deficiency-anaemia

  Symptoms of anaemia: Tiredness. Shortness of breath, especially on exercise/exertion. Palpitations. Looking pale. Feeling dizzy/faint. […] Complications may develop if the iron deficiency becomes severe and is not treated. For example, you can develop fragile and broken nails, hair loss and heart failure. A lack of iron can also affect the immune system so you may become more likely to develop infections.

• #29 Iron-deficiency anemia – Wikipedia

  https://en.wikipedia.org/wiki/Iron-deficiency_anemia

  If symptoms present, patients may present with the sign of pallor (reduced oxyhemoglobin in skin or mucous membranes), and the symptoms of feeling tired, weak, dizziness, lightheadedness, poor physical exertion, headaches, decreased ability to concentrate, cold hands and feet, cold sensitivity, increased thirst and confusion. […] In severe cases, shortness of breath can occur. […] Pica may also develop; of which consumption of ice, known as pagophagia, has been suggested to be the most specific for iron deficiency anemia. […] Iron-deficiency anemia is associated with poor neurological development, including decreased learning ability and altered motor functions. […] This is because iron deficiency impacts the development of the cells of the brain called neurons. […] When the body is low on iron, the red blood cells get priority on iron, and it is shifted away from the neurons of the brain. […] Exact causation has not been established, but there is a possible long-term impact from these neurological issues.

• #30

  https://www.menshealth.com/uk/health/a27606603/iron-deficiency-symptoms/

  A pale pallor and lightening of the gums and inner eyelids may also indicate that iron levels are below optimum levels, says Keri Filtness, lead nutritionist for Natures Best. […] Symptoms can also include reduced brain function and performance. […] There are some indications that low iron may also be linked to a condition known as restless leg syndrome and also to cognitive and behavioural issues such as ADHD, she adds. […] Left untreated the symptoms of iron deficiency can become very serious, particularly extreme fatigue and shortness of breath, warns Dr Gall. […] Extreme cases of severe low iron can also lead to heart problems such as a rapid or irregular heartbeat, she says. […] Long term, untreated iron deficiency anaemia can become severe and weaken your immune system, making you become prone to infections and disease, adds Lawson.

• #31 Iron Deficiency Anemia: Coping, Support, and Living Well

  https://www.verywellhealth.com/iron-deficiency-anemia-coping-5189822

  Studies have found that people with IDA are more likely to have restless legs syndrome. People with restless legs syndrome have sensations in their legs that can lead to involuntary leg movement during sleep. […] Fatigue is not the only symptom of IDA you will need to manage so that you can better cope. In addition, you will want to pay attention to pica (eating non-food items), headache, cold hands and feet, fast heartbeat, and shortness of breath. These are common symptoms of IDA that are manageable. […] Headache is a common symptom associated with IDA. […] Iron deficiency anemia can produce symptoms such as fatigue that impact your daily life. It can also lead to trouble sleeping and increase your risk of anxiety and depression.

• #32 Iron Deficiency Anemia: Practice Essentials, Background, Pathophysiology

  https://emedicine.medscape.com/article/202333-overview

  Iron deficiency anemia is an easily treated disorder with an excellent outcome; however, it may be caused by an underlying condition with a poor prognosis, such as neoplasia. Similarly, the prognosis may be altered by a comorbid condition such as coronary artery disease. […] Whereas a number of symptoms, such as ice chewing and leg cramps, occur with iron deficiency, the major debility of moderately severe iron deficiency is fatigue and muscular dysfunction that impairs muscular work performance. […] In children, the growth rate may be slowed, and a decreased capability to learn is reported. In young children, severe iron deficiency anemia is associated with a lower intelligence quotient (IQ), a diminished capability to learn, and a suboptimal growth rate.

• #33 Symptoms | The Iron Clinic | Intravenous Iron Infusions

  https://www.theironclinic.com/symptoms/

  Craving certain foods from time to time is normal, especially during pregnancy. However If you have cravings to eat ice or non-food items such as clay, dirt, ash, and starch this could be a sign of iron deficiency. […] Restless leg syndrome is a disturbing need to move your legs when resting, such as when you are in bed. […] It is natural for some hair to fall out when you are washing or combing it, but if you are losing clumps of hair, or more hair than normal, it could be caused by iron deficiency. […] Brittle nails chip and crack easily. […] Repeated headaches could also be a sign of iron deficiency. […] If you seem to be picking up more infections than usual, such as coughs and colds, this could be a sign that you have iron deficiency. […] Feeling irritable, dizzy or losing concentration quickly could be due to iron deficiency. […] In iron deficiency anaemia, the bone marrow is starved of iron. […] If you are iron deficient, there may be less haemoglobin in your blood and you may look pale.

• #33 Symptoms | The Iron Clinic | Intravenous Iron Infusions

  https://www.theironclinic.com/symptoms/

  Fatigue, headache and irritability are common symptoms of iron deficiency, but there are other symptoms too. You may experience one or more of these symptoms at the same time. […] During exercise, it is normal to experience some shortness of breath and a racing heart because there is an increased demand for oxygen in your body. If you are iron deficient, your blood may not contain enough oxygen for your muscles to do everyday activities such as walking. […] Iron deficiency can affect the surface of your tongue making it feel sore for no apparent reason. […] Iron deficiency can also cause the appearance of sore, red, flaky cracks at one or both of the sides of your mouth. […] If you feel the cold easily or regularly have cold hands and/or feet even in warm environments, it may be that there is not enough oxygen being delivered in your blood to your hands and feet, which could be a result of iron deficiency.

• #34 Iron and iron deficiency | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/iron

  Most of your bodys iron is in the haemoglobin of your red blood cells, which carry oxygen to your body. Extra iron is stored in your liver and is used by your body when your dietary intake is too low. If you dont have enough iron in your diet, your bodys iron stores get lower over time. This can cause: […] Iron deficiency anaemia when your haemoglobin levels are so low that your blood is unable to deliver enough oxygen to your cells. Symptoms include looking very pale, breathlessness, dizziness and fatigue. People with iron deficiency anaemia may also have reduced immune function, so they are more vulnerable to infection. In children, iron deficiency anaemia can affect growth and brain development. […] Symptoms of iron deficiency anaemia in children may include: behavioural problems, repeat infections, loss of appetite, lethargy, breathlessness, increased sweating, strange food cravings (pica) like eating dirt, failure to grow at the expected rate.

• #35 Iron Deficiency Anemia Symptoms

  https://www.healthline.com/nutrition/iron-deficiency-signs-symptoms

  Fatigue happens because your body lacks the iron it needs to make hemoglobin, which helps carry oxygen around your body. […] Common symptoms include fatigue, pallor, and breathlessness. […] If you find yourself out of breath when doing daily tasks that you used to find easy, such as walking, climbing stairs, or working out, it may be due to iron deficiency. […] Frequent, recurrent headaches may happen due to an iron deficiency. […] You may have noticeable heartbeats, or heart palpitations, if you have iron deficiency anemia. […] Dry or damaged skin and hair can occur with iron deficiency anemia. […] Iron deficiency can lead to restless leg syndrome, as it can cause a drop in dopamine in your blood. […] Spoon-shaped fingernails, also called koilonychia, are another symptom of iron deficiency anemia. […] Symptoms of iron deficiency anemia can depend on the severity of the anemia. In the early stages, there may be no symptoms. […] Common symptoms include fatigue, paleness, shortness of breath, and dry or damaged hair and skin.

• #36 5 Weird Iron Deficiency Symptoms—And How to Remedy It | Vogue

  https://www.vogue.com/article/iron-deficiency-symptoms

  As the body becomes more deficient in iron and anemia worsens, the signs and symptoms intensify. […] If you suddenly have a hankering for substances that should definitely never be eaten like dirt, clay, paint chips, charcoal, ashes, hair, fabric, cardboard, or cleaning supplies, its time to order some bloodwork. Craving non-food substances is a condition called Pica, and while it can sometimes be brought on by stress, anxiety, or other mental health issues, its also a sign of anemia. […] Tresses looking thinner or less shiny than usual? This could be a sign of iron deficiency, especially when it develops into anemia, which according to some studies, can negatively affect hair health.

• #37 Are You Iron Deficient? 8 Things Women Should Know > News > Yale Medicine

  https://www.yalemedicine.org/news/are-you-iron-deficient-what-women-need-to-know

  Some symptoms of anemia are the same as those of iron deficiency, while others are not. Symptoms of anemia include shortness of breath or chest pain, generalized weakness, and rapid heartbeat, among others. During pregnancy, anemia increases the risk of poorer outcomes for the mother and baby. […] Menstruation is the primary reason why many more women than men are iron deficient. Women lose blood and iron every month when they menstruate. […] About one in five women have heavy periods, which means they are especially at high risk for iron deficiency. […] During pregnancy, the developing fetus also requires iron for fetal brain development. This means the iron requirement for women increases significantly during pregnancy. […] If a woman begins pregnancy iron deficient, then it’s going to be very difficult for her to make that up throughout her pregnancy. […] People with iron-deficiency anemia and severe symptoms may require a blood transfusion to replace lost red blood cells, but it is important to prevent it from getting to that point and to determine the cause of their anemia.

• #38 Low iron is common among women but not commonly screened for : Shots – Health News : NPR

  https://www.npr.org/sections/shots-health-news/2024/09/13/nx-s1-5111893/iron-low-deficiency-anemia-symptoms-pregnancy

  In addition to physical symptoms such as lightheadedness and shortness of breath, women with iron deficiency can struggle with anxiety, depression, and restless leg syndrome. […] Many physicians think of iron deficiency in terms of anemia, but that’s the last manifestation of iron deficiency. […] The need for iron especially increases during pregnancy, when people are even more vulnerable to anemia. […] Pregnancy itself is essentially an iron-deficient state. […] Moreover, when pregnant women develop anemia, they likely will have difficult pregnancies. […] Anemia during pregnancy has long been associated with greater risks of delivering premature babies and possible health conditions for mothers, including preeclampsia. […] Iron deficiency is a significant health problem not just in the U.S., but worldwide.

• #38 Low iron is common among women but not commonly screened for : Shots – Health News : NPR

  https://www.npr.org/sections/shots-health-news/2024/09/13/nx-s1-5111893/iron-low-deficiency-anemia-symptoms-pregnancy

  We are vastly undertreating iron deficiency currently. […] Iron deficiency is an easily treatable condition with iron supplements, but it’s difficult to treat if you don’t know it’s there. […] After her anemia diagnosis, Rangarajan said she started taking iron tablets daily, but cut back to three times a week for a few months. […] I feel like my energy is so much better. I feel like my performance at work has improved tremendously with IV iron because I don’t feel so fatigued even at a very busy stretch.

• #39 Iron deficiency anaemia | nidirect

  https://www.nidirect.gov.uk/conditions/iron-deficiency-anaemia

  You should see your GP if you experience symptoms of iron deficiency anaemia. […] If iron deficiency anaemia is left untreated, it can make you more susceptible to illness and infection. This is because a lack of iron affects the body’s natural defence system (the immune system). […] Severe iron deficiency anaemia may increase your risk of developing complications. These may affect the heart or lungs, such as an abnormally fast heartbeat (tachycardia) or heart failure, where your heart is unable to pump enough blood around your body at the right pressure. […] Pregnant women with severe or untreated anaemia also have a higher risk of complications before and after birth.

• #40 Understanding Iron Deficiency – Men’s Health

  https://healthmatters.nyp.org/understanding-iron-deficiency/

  Iron deficiency is a common condition in the U.S., an estimated 10 million people lack this essential mineral, and two recent studies found that the condition affects more than a third of young women and women of reproductive age. […] When we dont have sufficient iron, it changes how our body functions, leading to side effects like fatigue and dizziness. But in more serious cases, it can lead to iron deficiency anemia, a condition in which the blood doesnt have enough red blood cells. […] The most common symptoms of iron deficiency and anemia are fatigue and low energy. In more serious cases, anemia can cause developmental delays because not enough oxygen is reaching various parts of the body. Children may look pale, and their hands and feet might get colder than usual. […] Among pregnant people, the most common symptoms of iron deficiency are lightheadedness and fatigue. However, if the iron deficiency is severe, it can affect the babys growth. […] The symptoms of iron deficiency among older adults include fatigue and dizziness; pica (craving substances with no nutritional value, such as ice, dirt, or uncooked rice); leg cramps or restless leg syndrome at night; and mild hair loss.

• #41 Iron-Deficiency Anemia (for Parents) | Nemours KidsHealth

  https://kidshealth.org/en/parents/ida.html

  Iron-deficiency anemia is anemia that happens when there isn’t enough iron in the body. […] At first, children with iron-deficiency anemia may not have any symptoms. When symptoms do happen, a child might: look pale, seem moody, be very tired, get tired quickly from exercise, feel dizzy or lightheaded, have a fast heartbeat, have developmental delays and behavioral problems, want to eat ice or non-food items (called pica). […] Doctors treat iron-deficiency anemia with iron supplements taken as a liquid or pill for at least 3 months.

• #42 Iron Deficiency Anemia: Symptoms, Diagnosis and Treatment | Nationwide Children’s Hospital

  https://www.nationwidechildrens.org/conditions/iron-deficiency-anemia

  The following are the most common symptoms of iron deficiency anemia. However, each child may experience symptoms differently. Symptoms may include: […] Abnormal paleness or lack of color of the skin […] Irritability […] Lack of energy or tiring easily (fatigue) […] Increased heart rate (tachycardia) […] Sore or swollen tongue […] Enlarged spleen […] A desire to eat peculiar substances, such as dirt or ice (also called pica) […] Iron deficiency anemia may be suspected from general findings on a complete medical history and physical examination of your child, such as complaints of tiring easily, pale skin and lips, or a fast heartbeat (tachycardia).

• #43

  https://www.healthychildren.org/English/health-issues/conditions/chronic/Pages/Anemia-and-Your-Child.aspx

  Anemia is a condition in which the amount of red blood cells in the body is decreased below normal for your child’s age. It can make your child appear pale in color and feel cranky, tired, or weak. […] The common signs and symptoms of anemia include pale or sallow (yellow) skin, pale cheeks and lips, lining of the eyelids and the nail beds may look less pink than normal, irritability, mild weakness, tiring easily, and napping more frequently. […] Children with severe anemia may have additional signs and symptoms such as shortness of breath, rapid heart rate, swollen hands and feet, headaches, dizziness and fainting, and restless leg syndrome. […] Even a low level of anemia can affect your child’s energy, focus, and ability to learn. Chronic iron deficiency anemia can result in long term, permanent impairment of development. […] If your child starts to show any signs or symptoms of anemia, be sure to tell your pediatrician.

• #44 Understanding iron deficiency in infants: Symptoms & signs of anemia | Summer Health

  https://www.summerhealth.com/blog/iron-deficiency-in-infants

  Once a babys iron stores are depleted, if they arent getting enough iron from their diet, then not only will they be iron deficient, but their hemoglobin levels will also decrease into anemic territory. […] According to Dr. Marcy, in most cases, an infant with mild anemia will present without symptoms. But if they do have anemia symptoms, common ones could include: Paleness in the skin, Irritability, Lethargy (extreme tiredness, fatigue, weakness, or low energy), Poor feeding or eating less, Trouble sleeping, Pica. […] More severe cases could result in symptoms of anemia like: A blue tint or pale look to the whites of a childs eyes, Frail, brittle nails, Paleness in the skin. […] If you notice any of these symptoms of anemia, you should speak with your pediatrician about them. Attending well-baby visits regularly is also important for early detection if your babys iron levels are low.

• #45 Iron Deficiency – Diagnosis and Management – Province of British Columbia

  https://www2.gov.bc.ca/gov/content/health/practitioner-professional-resources/bc-guidelines/iron-deficiency

  Even in the absence of anemia, isolated iron deficiency causes symptoms and warrants investigation and treatment. […] Signs and symptoms of iron deficiency and IDA in adults: Fatigue, Cold intolerance, Headaches, Restless leg syndrome, Irritability/depression, Nail changes, e.g. koilonychia (spoon nails), Angular cheilitis, Pica/pagophagia (ice craving), Decreased aerobic work performance, Hair loss, Adverse pregnancy outcome, Impaired immune function. […] Iron therapy may improve restless legs syndrome severity and restlessness. Iron supplementation is recommended if serum ferritin is 75 ug/L. […] The objective of treatment is to replenish iron stores: normalize hemoglobin levels and ferritin. […] Iron deficiency is the second most common cause of anemia after anemia of chronic disease (the reverse is true for younger patients). […] The diagnosis of absolute iron deficiency is challenging in the elderly. […] Serum ferritin below 50 ug/L should be investigated for iron deficiency in the elderly. […] Replacement options for elderly patients are similar to the options for younger patients.

• #46 Symptoms and Epidemiology of Iron Deficiency Anemia

  https://www.ajmc.com/view/symptoms-and-epidemiology-of-iron-deficiency-anemia

  Panelists discuss how iron deficiency anemia manifests through debilitating symptoms, including severe fatigue, weakness, shortness of breath, headaches, and difficulty concentrating, which can profoundly impact patients daily functioning, work performance, and overall quality of life.

• #47 Spotting Low Iron (Anemia) Symptoms: A Comprehensive Awareness Guide – BuzzRx Select permission for Location

  https://www.buzzrx.com/blog/low-iron-anemia-symptoms

  Anemia is a condition in which there aren’t enough healthy red blood cells or hemoglobin in the body. […] Symptoms of anemia can vary based on the underlying cause but common symptoms include fatigue, weakness, dizziness or lightheadedness, shortness of breath, pale skin, chest pain, irregular heartbeat, headaches, cold hands and feet. […] Iron Deficiency Anemia Symptoms include soreness and inflammation of the tongue, brittle nails or hair loss, pica (abnormal cravings for non-food items, such as ice, paper, dirt, clay, or starch), loss of appetite, especially in children, restless legs syndrome, and a pounding or whooshing sound in the ears. […] Iron deficiency anemia usually resolves within about 6 weeks of starting oral iron therapy. However, you may need to continue taking an iron supplement for up to 6 months to restore normal iron levels in your body.

• #48 Iron deficiency anaemia

  https://www2.hse.ie/conditions/iron-deficiency-anaemia/

  Symptoms can include: tiredness and lack of energy […] shortness of breath […] noticeable heartbeats (heart palpitations) […] pale skin […] Less common symptoms of iron deficiency anaemia (that are not usually connected to pregnancy) include: headaches […] hearing ringing, buzzing or hissing noises inside your head (tinnitus) […] food tasting strange […] feeling itchy […] a sore tongue […] hair loss you notice more hair coming out when brushing or washing it […] wanting to eat non-food items, such as paper or ice (pica) […] finding it hard to swallow (dysphagia) […] painful open sores (ulcers) in the corners of your mouth […] spoon-shaped nails […] restless legs syndrome […] Your GP may carry out repeat blood tests over the next few months to check that your iron levels are back to normal. […] Untreated iron deficiency anaemia can: make you more at risk of illness and infection a lack of iron affects the immune system […] increase your risk of developing heart or lung complications (such as heart failure) […] cause a greater risk of complication before, during and after pregnancy.

• #49 Iron Deficiency Anemia | Boston Children’s Hospital

  https://www.childrenshospital.org/conditions/iron-deficiency-anemia

  Children with iron-deficiency anemia may tire easily, have pale skin and lips, and have a fast heartbeat. […] The most common symptoms of iron-deficiency anemia in a child include: Pale skin, lips, and hands, or paleness under the eyelids; Irritability; Lack of energy or tiring easily; Increased heart rate; Sore or swollen tongue; A desire to eat peculiar substances, such as dirt or ice (also called pica). […] Iron-deficiency anemia may be suspected based on general findings from a complete medical history and physical examination of a child, such as: Complaints of tiring easily; Pale skin and lips; Fast heartbeat. […] Iron-deficiency anemia cannot be corrected overnight by oral supplementation, but generally a child will begin to feel better a week after they begin oral supplementation. However, it may take weeks or months to replenish the body’s iron reserves.

• #50 Iron deficiency

  https://dermnetnz.org/topics/iron-deficiency

  The signs and symptoms of an iron deficiency depend on whether the patient is anaemic, and if so, how fast the anaemia develops. In cases where anaemia develops slowly, the patient can often tolerate extremely low concentrations of red blood cells […] Other characteristic manifestations of iron deficiency anaemia may include: […] Iron deficiency may also predispose to bacterial and fungal infections such as impetigo, boils and candidiasis. […] Most patients with uncomplicated iron deficiency anaemia should experience: Rapid resolution of pagophagia, Improved feeling of well-being within the first few days of treatment, Increase in reticulocyte count (red blood cell precursors) and haemoglobin concentration within a week, Slow recovery of tongue papillae, skin, nails and hair. […] In those who do not respond to treatment, alternative diagnoses need to be considered, for example, B12 or folate deficiencies, myelodysplastic syndrome (bone marrow abnormalities) and inherited anaemias.

• #51 How to Spot Iron Deficiency Anemia: Symptoms, Causes and Treatments

  https://www.unitypoint.org/find-a-service/blood-disorders/anemia

  Generally speaking, there are three stages of anemia: mild, moderate and severe. […] Dr. Rokes says its important to look at the all the numbers in a complete blood count (CBC) as well as symptoms when making a diagnosis. […] If you suspect youre experiencing symptoms of iron deficiency anemia, call your healthcare provider right away. Symptoms such as persistent fatigue, weakness or shortness of breath can signal the state of iron levels in your body.

• #52 Iron-Refractory Iron Deficiency Anemia (IRIDA) | Boston Children’s Hospital

  https://www.childrenshospital.org/conditions/irida

  Because the iron deficiency of IRIDA is refractory (does not respond) to oral iron supplementation and usually is only partially responsive to parenteral iron, your child may receive repeated infusions of intravenous iron. These repeated iron infusions can improve the anemia, microcytosis, and iron stores (ferritin). However, the serum iron and transferrin saturation generally do not improve to the normal range, and if your child stops receiving regular intravenous iron infusions, the previous low iron levels and microcytic anemia almost certainly will appear again.

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