Materiały źródłowe

• #1 Ehrlichiosis and anaplasmosis – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/ehrlichiosis/symptoms-causes/syc-20372142

  If treated quickly with appropriate antibiotics, you’ll likely recover within a few days. […] Untreated ehrlichiosis and anaplasmosis can result in serious or life-threatening complications. […] Without prompt treatment, ehrlichiosis and anaplasmosis can have serious effects on an otherwise healthy adult or child.

• #1 Treatment of Anaplasmosis | Anaplasmosis | CDC

  https://www.cdc.gov/anaplasmosis/treatment/index.html

  Doxycycline is the recommended antibiotic treatment for anaplasmosis in adults and children of all ages. […] Early treatment with the antibiotic doxycycline can prevent death and severe illness. […] Doxycycline is the most effective treatment of all rickettsial diseases including Rocky Mountain spotted fever, ehrlichiosis and anaplasmosis. […] It is the antibiotic recommended by the American Academy of Pediatrics (AAP) and CDC for the treatment of suspected rickettsial diseases in all patients. […] Studies have shown that other antibiotics are less effective and patients receiving alternative antibiotics have a higher number of deaths (case fatality rate).

• #1 Ehrlichiosis and Anaplasmosis – Infectious Diseases – Merck Manual Professional Edition

  https://www.merckmanuals.com/professional/infectious-diseases/rickettsiae-and-related-organisms/ehrlichiosis-and-anaplasmosis

  Treatment of ehrlichiosis and anaplasmosis is best started before laboratory results return. When treatment is started early, patients generally respond rapidly and well. A delay in treatment may lead to serious complications, including viral and fungal superinfections and death in 2 to 5%. […] Primary treatment is doxycycline until the patient improves and has been afebrile for 24 to 48 hours but is continued for at least 7 days. For patients who do not tolerate doxycycline, desensitization is recommended. […] Although some tetracyclines can cause tooth staining in children doxycycline is warranted. […] Chloramphenicol is not effective. […] Some patients continue to experience headache, weakness, and malaise for weeks after adequate treatment. […] Treat with doxycycline, best started before laboratory results return.

• #1 Ehrlichiosis, Anaplasmosis, and Related Infections in Animals – Infectious Diseases – MSD Veterinary Manual

  https://www.msdvetmanual.com/generalized-conditions/rickettsial-diseases/ehrlichiosis-anaplasmosis-and-related-infections-in-animals

  Doxycycline is the treatment of choice. […] To treat infection with Ehrlichia and Anaplasma spp, the drug of choice is doxycycline because of its superior intracellular penetration and bacteriostatic properties against rickettsiae. Doxycycline is recommended for dogs of all ages. If infection is suspected, dogs should be treated empirically; treatment should not be withheld or delayed pending laboratory results. Early seronegative tests should not be considered a reason to stop therapy, because antibodies may take 1 week to develop in acute cases. […] Recommended drug dosages for treatment of ehrlichiosis are: Doxycycline: 5 mg/kg every 12 hours, or 10 mg/kg every 24 hours, PO or IV, for at least 28 days. Minocycline may be substituted if doxycycline is unavailable. […] In acute cases receiving appropriate antibiotic therapy, body temperature is expected to return to normal within 24-48 hours after treatment.

• #1 Anaplasmosis Information for Health Professionals – MN Dept. of Health

  https://www.health.state.mn.us/diseases/anaplasmosis/hcp.html

  Anaplasmosis patients typically respond dramatically to doxycycline therapy (100 mg twice daily until the patient is afebrile for at least 3 days). […] In general patients with suspect anaplasmosis and unexplained fever after a tick exposure should receive empiric doxycycline therapy while diagnostic tests are pending, particularly if they experience leukopenia and/or thrombocytopenia.

• #1 Ehrlichiosis and anaplasmosis – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/ehrlichiosis/diagnosis-treatment/drc-20372147

  If your doctor diagnoses ehrlichiosis or anaplasmosis or suspects a diagnosis based on the symptoms and clinical findings you’ll begin treatment with the antibiotic doxycycline (Doryx, Vibramycin, others). […] You’ll take the drugs at least three days after you no longer have a fever and your doctor has observed improvement in other signs of disease. The minimum treatment is five to seven days. More serious illness may require two to three weeks of antibiotic treatment. […] If you’re pregnant or allergic to doxycycline, your doctor may prescribe the antibiotic rifampin (Rifadin, Rimactane, others).

• #1 Clinical Care of Anaplasmosis | Anaplasmosis | CDC

  https://www.cdc.gov/anaplasmosis/hcp/clinical-care/index.html

  Doxycycline is the treatment of choice for patients of all ages with anaplasmosis. […] Doxycycline is the treatment of choice for anaplasmosis and all other rickettsial diseases. Empiric treatment with doxycycline is recommended for patients of all ages in whom anaplasmosis or another rickettsial infection is suspected. […] Doxycycline is most effective at preventing severe complications if it is started early in the course of disease. […] In cases of life-threatening allergies to doxycycline or severe doxycycline intolerance, physicians should consider alternate antibiotics. […] The use of doxycycline to treat suspected rickettsial disease in children is recommended by both CDC and the American Academy of Pediatrics Committee on Infectious Diseases. […] Doxycycline is the first line treatment for adults and children of all ages. […] Patients with suspected anaplasmosis should be treated with doxycycline for 10-14 days to provide appropriate length of therapy for possible concurrent infection with Borrelia spp.

• #1 Current management of human granulocytic anaplasmosis, human monocytic ehrlichiosis and Ehrlichia ewingii ehrlichiosis

  https://pmc.ncbi.nlm.nih.gov/articles/PMC2739015/

  Anaplasma phagocytophilum, Ehrlichia chaffeensis and Ehrlichia ewingii are emerging tick-borne pathogens and are the causative agents of human granulocytic anaplasmosis, human monocytic ehrlichiosis and E. ewingii ehrlichiosis, respectively. […] Since human ehrlichioses can be debilitating or even fatal, early diagnosis is paramount for effective treatment. […] This review summarizes the ecology of A. phagocytophilum, E. chaffeensis and E. ewingii, as well as the epidemiology of the human diseases that they cause, and the clinical signs and symptoms associated with each infection. […] Guidelines for obtaining clinical clues to properly diagnose human ehrlichioses and patient management are discussed. […] The current recommended therapeutic regimens for HME, HGA and E. ewingii ehrlichiosis is administration of doxycycline or tetracycline for 5-14 days.

• #1 Current management of human granulocytic anaplasmosis, human monocytic ehrlichiosis and Ehrlichia ewingii ehrlichiosis

  https://pmc.ncbi.nlm.nih.gov/articles/PMC2739015/

  Doxycycline is the antibiotic of choice for all patients unless they are pregnant or have a documented history of allergy to doxycycline or tetracycline. […] The clinical response to doxycycline or tetracycline treatment is pronounced, with marked improvement in overall well-being and fever within 24-48 h. […] The absence of such a response should prompt consideration of alternate diagnoses, such as a non-ehrlichial infection, a complicating infection by another tick-borne pathogen, or a secondary infection that is not susceptible to tetracycline antibiotics. […] Prophylactic antibiotic therapy for human ehrlichial infections is not recommended for patients that recall having been bitten by a tick and are not ill.

• #1 Ehrlichiosis Medication: Antibiotics

  https://emedicine.medscape.com/article/235839-medication

  Doxycycline can be administered intravenously in patients who are very sick and are unable to tolerate oral medications or given orally in less sick patients who can tolerate pills. […] For patients who are intolerant or have severe allergy to doxycycline, rifampin and chloramphenicol are alternative treatment options. […] Rifampin has been used as an alternative agent in both adults and children and even in pregnant women. […] There is limited data about the use of Chloramphenicol in this setting although it has been used in a few instances but given its hematological adverse effects, it is usually avoided.

• #1 Ehrlichiosis, Anaplasmosis, and Related Infections in Animals – Infectious Diseases – MSD Veterinary Manual

  https://www.msdvetmanual.com/generalized-conditions/rickettsial-diseases/ehrlichiosis-anaplasmosis-and-related-infections-in-animals

  Supportive therapy may be necessary in animals with high fever or those with chronic disease complicated by wasting and specific organ dysfunction. NSAIDs and appropriate fluid therapy may help reduce fever. Animals with anemia or severe thrombocytopenia should be treated with platelet or whole-blood transfusions as appropriate, particularly if hemorrhage is extensive. Concurrent broad-spectrum antibiotics may be needed if a dog has severe leukopenia.

• #1 Guideline for veterinary practitioners on canine ehrlichiosis and anaplasmosis in Europe | Parasites & Vectors | Full Text

  https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-015-0649-0

  Treatment of ehrlichiosis or anaplasmosis should not be initiated with glucocorticoids combined with antibiotics. Steroids should only be considered when no satisfactory response is noticed, or when immune-mediated complications arise. […] Doxycycline is an effective drug against ehrlichiosis and/or anaplasmosis in dogs. When dogs are treated in the acute phase of ehrlichiosis and anaplasmosis, they improve quickly, within 24-48 h, and their prognosis is good when the whole course of therapy is administered. […] However, the prognosis of dogs with the chronic severe form of ehrlichiosis is grave. […] Laboratory abnormalities in canine ehrlichiosis typically resolve in dogs after treatment with acute disease. In general, both the complete blood count and the alterations in serum protein electrophoresis should normalize within 10-15 days after therapy initiation.

• #1 Ehrlichiosis and Anaplasmosis – Infections – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/infections/rickettsial-and-related-infections/ehrlichiosis-and-anaplasmosis

  Ehrlichiosis and anaplasmosis are treated with an antibiotic. […] If people who may have been exposed to infected ticks have typical symptoms, treatment for ehrlichiosis or anaplasmosis is usually started before test results are available. When treatment is started early, most people respond rapidly and well. A delay in treatment may lead to serious complications, including death in 2 to 5% of people. […] Doxycycline, a type of antibiotic called a tetracycline, is usually used. People take this antibiotic until they improve and have had no fever for 24 to 48 hours, but they must take it for at least 7 days. […] Although some tetracyclines taken for longer than 10 days can cause tooth staining in children younger than 8 years old, a short course (5 to 10 days) of doxycycline in children of all ages is recommended and can be used without causing tooth staining or weakening of tooth enamel. […] Some people continue to have headaches and feel weak and generally unwell for weeks after treatment.

• #1 Ehrlichiosis Medication: Antibiotics

  https://emedicine.medscape.com/article/235839-medication

  The drug of choice for infections with human monocytic ehrlichiosis (HME) and human granulocytic anaplasmosis (HGA) in both adults and children is doxycycline. It is also the recommended drug for many other tick-borne infections, such as Rocky Mountain spotted fever. […] Early initiation of doxycycline should be done once there is a high index of suspicion of either human monocytic ehrlichiosis (HME) or human granulocytic anaplasmosis (HGA as delay in treatment is usually associated with increased morbidity especially in immunocompromised hosts. Supportive management such as antipyretics, hydration with intravenous fluids, should also be initiated if indicated. […] The American Academy of Pediatrics recommends a short course of doxycycline ( 21 days) as first-line therapy for severe/life threatening suspected or proven HGA and HME in children of all ages.

• #1 Ehrlichiosis Treatment & Management: Approach Considerations, Deterrence and Prevention, Consultations

  https://emedicine.medscape.com/article/235839-treatment

  Moderately or severely ill patients may require hospitalization for diagnosis and treatment. Early treatment is critical. Consider the possibility of ehrlichiosis when patients have a febrile illness and a history of recent tick exposure. Doxycycline remains the preferred drug for persons with ehrlichiosis. […] Continue treatment until the patient has been afebrile for at least 3 days and for 10-14 days depending on the severity of illness. Guidelines for the diagnosis and management of tick-borne diseases have been established by the CDC. […] An infectious disease specialist should be consulted for any patient with an acute febrile illness and a recent history of tick exposure.

• #1 Diagnosing and treating ehrlichiosis and anaplasmosis in dogs (Proceedings)

  https://www.dvm360.com/view/diagnosing-and-treating-ehrlichiosis-and-anaplasmosis-dogs-proceedings

  Imidocarb dipropionate (Imazol, Schering-Plough Animal Health 5mg/kg, IM, once then repeat in 2 to 3 weeks); reasonable alternative to doxycycline; pretreatment with atropine may lessen anticholinergic adverse effects (salivation, serous nasal discharge, diarrhea). […] Both doxycycline and imidocarb give ~ 95% cure rate not improved if used together. […] A seropositive (by the 4Dx test) asymptomatic dog for A. phagocytophilum – could treat with doxycycline with hope (unknown if it does) that it removes carrier state, but as carriers seem to remain subclinical, this practice is controversial. […] Prognosis in acute E. canis and A. phagocytophilum infections is excellent; response may take months in chronic ehrlichiosis.

• #1 Battling Tick-Borne Diseases: A Focus on Ehrlichiosis and Anaplasmosis

  https://www.aspenvetflagstaff.com/services/dogs/blog/battling-tick-borne-diseases-focus-ehrlichiosis-and-anaplasmosis

  Monitoring and Follow-up: After initial treatment, dogs typically require follow-up testing to ensure the infection has been adequately cleared and to assess the response to treatment. Depending on the dog’s recovery progress, this might include repeat blood tests or additional courses of antibiotics.

• #1 Guideline for veterinary practitioners on canine ehrlichiosis and anaplasmosis in Europe | Parasites & Vectors | Full Text

  https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-015-0649-0

  Antibody titers may persist for months. Then, in most E. canis infections, they decrease gradually over 6-9 months post treatment. Sometimes, antibodies are no longer detectable at 12 months. However, frequently, some cases remain seropositive for several years after the treatment, particularly when starting with very high antibody titers. […] PCR testing, when conducted several weeks after termination of doxycycline treatment, allows clinicians to be more confident that the treatment has been effective and that the dog did not enter the subclinical stage. […] In general, most acutely ill dogs infected with Ehrlichia or Anaplasma species heal after a specific, effective treatment of appropriate length. This finding has been corroborated with multiple clinical and experimental trials. However, a recent work conducted with dogs experimentally infected with E. canis suggested that some dogs may remain persistently infected and may not eliminate the infection even after acceptable treatment. […] Re-infections of canine ehrlichiosis are possible, because no persistent or effective immunity develops to defend against re-infection with these pathogens.

• #1 Companion Animal Parasite Council | Ehrlichia spp. and Anaplasma spp.

  https://capcvet.org/guidelines/ehrlichia-spp-and-anaplasma-spp/

  All Ehrlichia spp. and Anaplasma spp. infections in dogs and cats respond to treatment with doxycycline. A treatment regimen of 10 mg/kg for 28 days is currently recommended. Some studies have documented failure to clear infections in dogs, especially with shorter courses of therapy. […] Protective immunity does not appear to develop, and reinfection may occur following treatment, requiring additional courses of therapy. […] Some recent data suggest that treatment may not be entirely effective at clearing the organisms and that recrudescence of infection is possible. Although additional research into this area is needed, re-treatment may be indicated in cases of relapse of clinical disease or reinfection from ticks.

• #1 Anaplasmosis in Dogs | VCA Animal Hospitals

  https://vcahospitals.com/know-your-pet/anaplasmosis-in-dogs

  The treatment for canine anaplasmosis is the same as that for other closely related tick-borne infections, including ehrlichiosis and Lyme disease—the antibiotic doxycycline. Many infected dogs are treated for two to four weeks (the longer course more often if co-infected with Lyme disease). In most cases, symptoms improve rapidly. Dogs are often markedly better 24 to 48 hours after therapy is started, and the prognosis for clinical recovery is excellent. […] Although most dogs clinically improve, it may be difficult to determine whether a dog is no longer infected. If a dog stops producing antibodies to the organism, this may indicate that the organism has been cleared from the body. Even if a dog infected with anaplasmosis is treated and returns to normal, the dog may continue to test positive for the infection on subsequent blood tests; this does not mean that the dog has an active infection, so a second round of antibiotics to obtain a negative blood test is generally not recommended.

• #1 Clinical diagnosis and treatment of human granulocytotropic anaplasmosis – PubMed

  https://pubmed.ncbi.nlm.nih.gov/17114714/

  Tick-borne rickettsiae in the genera Ehrlichia and Anaplasma are intracellular bacteria that infect wild and domestic mammals and, more recently, man. […] Anaplasmosis is associated with variable but suggestive changes in routine laboratory test parameters. […] Treatment with doxycycline usually results in rapid improvement and cure. […] Thus, prompt institution of antibiotic therapy is advocated for any patient who is suspected to have HGA and for all patients who have confirmed HGA.

• #1 Ehrlichiosis: Symptoms, Treatments, Pictures and More

  https://www.healthline.com/health/ehrlichiosis

  Ehrlichiosis is a bacterial illness that causes flu-like symptoms that include fever and aches. It can cause very serious complications if left untreated. But it can be cured with prompt treatment. […] Your doctor may prescribe medication before they even get the test results if they suspect ehrlichiosis. […] Treatment will involve taking an antibiotic for 10 to 14 days. Doxycycline (Acticlate) is the most commonly prescribed antibiotic for ehrlichiosis. However, your doctor may prescribe another antibiotic like rifampin (Rifadin) if you’re pregnant. […] Prompt treatment of ehrlichiosis is essential because severe complications can occur if it’s left untreated. Most people will be fully treated with a round of antibiotics. You should start to see significant improvement within 24 to 48 hours after starting treatment. Most people will experience a full recovery within three weeks of treatment.

• #1 Human granulocytic anaplasmosis – Wikipedia

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

  Currently, there is no vaccine against human granulocytic anaplasmosis, so antibiotics are the only form of treatment. […] Doxycycline is the treatment of choice. If anaplasmosis is suspected, treatment should not be delayed while waiting for a definitive laboratory confirmation, as prompt doxycycline therapy has been shown to improve outcomes. […] If the disease is not treated quickly, sometimes before the diagnosis, the person has a high chance of mortality. […] Most people make a complete recovery, though some people are intensively cared for after treatment.

• #1 Identifying and treating 3 tick-borne diseases in dogs

  https://www.dvm360.com/view/identifying-and-treating-3-tick-borne-diseases-dogs

  The prognosis for most affected dogs is good if treatment is initiated early in the disease course. Clinical improvement for the tick-borne diseases discussed here often occurs within a few days to weeks of initiating appropriate therapy. […] Rechecking patients periodically after apparent successful treatment, including performing pertinent diagnostic tests such as a platelet count, is an important method of not only detecting a relapse but also monitoring for reinfection. Resolving an episode of tick-borne infection does not confer immunity to reinfection (with the possible exception of dogs that have recovered from RMSF). […] Periodic antimicrobial treatment of dogs in areas highly endemic for organisms causing ehrlichiosis or anaplasmosis may be considered, especially for hunting dogs that are at greater risk for ongoing tick exposure. You can also consider low-dose daily therapy with doxycycline (3 mg/kg orally once a day) during tick season.

• #2 Ehrlichiosis: Symptoms, Treatments, Pictures and More

  https://www.healthline.com/health/ehrlichiosis

  Ehrlichiosis is a bacterial illness that causes flu-like symptoms that include fever and aches. It can cause very serious complications if left untreated. But it can be cured with prompt treatment. […] Your doctor may prescribe medication before they even get the test results if they suspect ehrlichiosis. […] Treatment will involve taking an antibiotic for 10 to 14 days. Doxycycline (Acticlate) is the most commonly prescribed antibiotic for ehrlichiosis. However, your doctor may prescribe another antibiotic like rifampin (Rifadin) if you’re pregnant. […] Prompt treatment of ehrlichiosis is essential because severe complications can occur if it’s left untreated. Most people will be fully treated with a round of antibiotics. You should start to see significant improvement within 24 to 48 hours after starting treatment. Most people will experience a full recovery within three weeks of treatment.

• #2 Ehrlichiosis and anaplasmosis – Symptoms, Causes, Images, and Treatment Options

  https://www.epocrates.com/online/diseases/912/ehrlichiosis-and-anaplasmosis

  Ehrlichiosis and anaplasmosis, of all types, are nationally notifiable diseases. […] Treatment with antibiotics should be started immediately if the diagnosis is suspected clinically. Doxycycline is the drug of choice.

• #2 Ehrlichiosis Treatment & Management: Approach Considerations, Deterrence and Prevention, Consultations

  https://emedicine.medscape.com/article/235839-treatment

  Moderately or severely ill patients may require hospitalization for diagnosis and treatment. Early treatment is critical. Consider the possibility of ehrlichiosis when patients have a febrile illness and a history of recent tick exposure. Doxycycline remains the preferred drug for persons with ehrlichiosis. […] Continue treatment until the patient has been afebrile for at least 3 days and for 10-14 days depending on the severity of illness. Guidelines for the diagnosis and management of tick-borne diseases have been established by the CDC. […] An infectious disease specialist should be consulted for any patient with an acute febrile illness and a recent history of tick exposure.

• #2 Ehrlichiosis Information for Health Professionals – MN Dept. of Health

  https://www.health.state.mn.us/diseases/ehrlichiosis/hcp.html

  Ehrlichiosis patients typically respond dramatically to doxycycline therapy (100 mg twice daily until the patient is afebrile for at least 3 days). […] In general, patients with suspect ehrlichiosis and unexplained fever after a tick exposure should receive empiric doxycycline therapy while diagnostic tests are pending, particularly if they experience leukopenia and/or thrombocytopenia.

• #2 Ehrlichiosis: Causes, Symptoms, Treatment & Prevention

  https://my.clevelandclinic.org/health/diseases/17958-ehrlichiosis

  Ehrlichiosis is treated with antibiotics. You usually have to take antibiotics until at least three days after your fever goes away and your symptoms improve. Thats usually about five to seven days. […] Treatment is most effective when started soon after your symptoms appear. If its started too late, ehrlichiosis can cause serious complications that put you in the hospital. […] If you start antibiotics soon after the symptoms of ehrlichiosis appear, you should feel better within 24 to 48 hours. Continue taking antibiotics for as long as your provider prescribes, even after you feel better. If you dont start feeling better within a few days, contact your healthcare provider.

• #2 Clinical Care of Anaplasmosis | Anaplasmosis | CDC

  https://www.cdc.gov/anaplasmosis/hcp/clinical-care/index.html

  Doxycycline is the treatment of choice for patients of all ages with anaplasmosis. […] Doxycycline is the treatment of choice for anaplasmosis and all other rickettsial diseases. Empiric treatment with doxycycline is recommended for patients of all ages in whom anaplasmosis or another rickettsial infection is suspected. […] Doxycycline is most effective at preventing severe complications if it is started early in the course of disease. […] In cases of life-threatening allergies to doxycycline or severe doxycycline intolerance, physicians should consider alternate antibiotics. […] The use of doxycycline to treat suspected rickettsial disease in children is recommended by both CDC and the American Academy of Pediatrics Committee on Infectious Diseases. […] Doxycycline is the first line treatment for adults and children of all ages. […] Patients with suspected anaplasmosis should be treated with doxycycline for 10-14 days to provide appropriate length of therapy for possible concurrent infection with Borrelia spp.

• #2 Current management of human granulocytic anaplasmosis, human monocytic ehrlichiosis and Ehrlichia ewingii ehrlichiosis

  https://pmc.ncbi.nlm.nih.gov/articles/PMC2739015/

  Doxycycline is the antibiotic of choice for all patients unless they are pregnant or have a documented history of allergy to doxycycline or tetracycline. […] The clinical response to doxycycline or tetracycline treatment is pronounced, with marked improvement in overall well-being and fever within 24-48 h. […] The absence of such a response should prompt consideration of alternate diagnoses, such as a non-ehrlichial infection, a complicating infection by another tick-borne pathogen, or a secondary infection that is not susceptible to tetracycline antibiotics. […] Prophylactic antibiotic therapy for human ehrlichial infections is not recommended for patients that recall having been bitten by a tick and are not ill.

• #2 Ehrlichiosis and Anaplasmosis – Infections – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/infections/rickettsial-and-related-infections/ehrlichiosis-and-anaplasmosis

  Ehrlichiosis and anaplasmosis are treated with an antibiotic. […] If people who may have been exposed to infected ticks have typical symptoms, treatment for ehrlichiosis or anaplasmosis is usually started before test results are available. When treatment is started early, most people respond rapidly and well. A delay in treatment may lead to serious complications, including death in 2 to 5% of people. […] Doxycycline, a type of antibiotic called a tetracycline, is usually used. People take this antibiotic until they improve and have had no fever for 24 to 48 hours, but they must take it for at least 7 days. […] Although some tetracyclines taken for longer than 10 days can cause tooth staining in children younger than 8 years old, a short course (5 to 10 days) of doxycycline in children of all ages is recommended and can be used without causing tooth staining or weakening of tooth enamel. […] Some people continue to have headaches and feel weak and generally unwell for weeks after treatment.

• #2 Ehrlichiosis Medication: Antibiotics

  https://emedicine.medscape.com/article/235839-medication

  Doxycycline can be administered intravenously in patients who are very sick and are unable to tolerate oral medications or given orally in less sick patients who can tolerate pills. […] For patients who are intolerant or have severe allergy to doxycycline, rifampin and chloramphenicol are alternative treatment options. […] Rifampin has been used as an alternative agent in both adults and children and even in pregnant women. […] There is limited data about the use of Chloramphenicol in this setting although it has been used in a few instances but given its hematological adverse effects, it is usually avoided.

• #2 Human Ehrlichiosis and Anaplasmosis in America

  https://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0001-60022013000400007

  Chloramphenicol should not be used owing to lack of in vitro susceptibility and frequent empirical clinical failures. Although A. phagocytophilum is sensitive to fluoroquinolones in vitro, treatment failures with levofloxacin that required subsequent retreatment with doxycycline are reported. […] Rifampin has low MICs in vitro and has been successfully used in children in empiric studies.

• #2 Battling Tick-Borne Diseases: A Focus on Ehrlichiosis and Anaplasmosis

  https://www.allcreaturesvetcare.com/services/dogs/blog/battling-tick-borne-diseases-focus-ehrlichiosis-and-anaplasmosis

  Anti-inflammatory Medications: For diseases that cause significant joint pain and swelling, veterinarians may prescribe non-steroidal anti-inflammatory drugs (NSAIDs) to relieve pain and reduce inflammation. […] Parasite Control Products: Ongoing tick control is essential to prevent further infestations and reduce the risk of disease transmission. This includes the use of topical treatments or oral medications designed to repel and kill ticks. […] Supportive Care: Depending on the disease and its impact, additional supportive treatments may be necessary. This can include fluid therapy to combat dehydration, pain management solutions, and even hospitalization for more severe cases to provide blood transfusions and supportive care until the dog stabilizes. […] Monitoring and Follow-up: After initial treatment, dogs typically require follow-up testing to ensure the infection has been adequately cleared and to assess the response to treatment. Depending on the dog’s recovery progress, this might include repeat blood tests or additional courses of antibiotics.

• #2 Diagnosing and treating ehrlichiosis and anaplasmosis in dogs (Proceedings)

  https://www.dvm360.com/view/diagnosing-and-treating-ehrlichiosis-and-anaplasmosis-dogs-proceedings

  Doxycycline is the drug of choice for both E. canis and A. phagocytophilum (5 mg/kg, PO, q12h for 3 to 4 weeks) see rapid (within 72 hrs of onset of treatment) improvement of platelet count in acute cases; recovered dogs still able to become re-infected. […] Short-term therapy of glucocorticoids (2 to 5 days of 2mg/kg/day of prednisone) may be beneficial early in acute disease when life-threatening thrombocytopenia is present, and may help other immune mediated associations of the disease (polyarthritis, vasculitis, meningitis). […] Only E. canis cases might need hospitalization; stabilize medical for anemia and hemorrhagic tendency (due to thrombocytopenia) fluids, blood transfusion, platelet-rich plasma (in emergency), or treat for the results of pancytopenia (sepsis) with broad spectrum antibiotics if necessary.

• #2 Guideline for veterinary practitioners on canine ehrlichiosis and anaplasmosis in Europe | Parasites & Vectors | Full Text

  https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-015-0649-0

  CME is usually successfully treated with antibiotics that belong to the tetracycline family. The treatment of choice is doxycycline at 5 mg/kg twice daily or 10 mg/kg once daily for 4 weeks. This regime guarantees a complete response in the majority of cases. […] Although clinical improvement is achieved in most cases, it can be difficult to ensure treatment effectiveness regarding the total elimination of Ehrlichia spp. in naturally infected dogs. The clinician should not target seronegativity with treatment, but rather, negative PCR results. […] Doxycycline, unlike other tetracyclines, does not seem to cause enamel discoloration in puppies. Moreover, one of the most common side effects of tetracyclines, vomiting, can be eliminated by splitting the antibiotic dose into two half-doses every 12 h (q12h) or by administering the antibiotic after feeding.

• #2 Guideline for veterinary practitioners on canine ehrlichiosis and anaplasmosis in Europe | Parasites & Vectors | Full Text

  https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-015-0649-0

  Antibody titers may persist for months. Then, in most E. canis infections, they decrease gradually over 6-9 months post treatment. Sometimes, antibodies are no longer detectable at 12 months. However, frequently, some cases remain seropositive for several years after the treatment, particularly when starting with very high antibody titers. […] PCR testing, when conducted several weeks after termination of doxycycline treatment, allows clinicians to be more confident that the treatment has been effective and that the dog did not enter the subclinical stage. […] In general, most acutely ill dogs infected with Ehrlichia or Anaplasma species heal after a specific, effective treatment of appropriate length. This finding has been corroborated with multiple clinical and experimental trials. However, a recent work conducted with dogs experimentally infected with E. canis suggested that some dogs may remain persistently infected and may not eliminate the infection even after acceptable treatment. […] Re-infections of canine ehrlichiosis are possible, because no persistent or effective immunity develops to defend against re-infection with these pathogens.

• #2 Identifying and treating 3 tick-borne diseases in dogs

  https://www.dvm360.com/view/identifying-and-treating-3-tick-borne-diseases-dogs

  The prognosis for most affected dogs is good if treatment is initiated early in the disease course. Clinical improvement for the tick-borne diseases discussed here often occurs within a few days to weeks of initiating appropriate therapy. […] Rechecking patients periodically after apparent successful treatment, including performing pertinent diagnostic tests such as a platelet count, is an important method of not only detecting a relapse but also monitoring for reinfection. Resolving an episode of tick-borne infection does not confer immunity to reinfection (with the possible exception of dogs that have recovered from RMSF). […] Periodic antimicrobial treatment of dogs in areas highly endemic for organisms causing ehrlichiosis or anaplasmosis may be considered, especially for hunting dogs that are at greater risk for ongoing tick exposure. You can also consider low-dose daily therapy with doxycycline (3 mg/kg orally once a day) during tick season.

• #2 Ehrlichiosis: MedlinePlus Medical EncyclopediaLock

  https://medlineplus.gov/ency/article/001381.htm

  Antibiotics (tetracycline or doxycycline) are used to treat the disease. Children should not take tetracycline by mouth until after all their permanent teeth have grown in, because it can permanently change the color of growing teeth. Doxycycline that is used for 2 weeks or less usually does not discolor a child’s permanent teeth. Rifampin has also been used in people who cannot tolerate doxycycline. […] Ehrlichiosis is rarely deadly. With antibiotics, people usually improve within 24 to 48 hours. Recovery may take up to 3 weeks.

• #2 Ehrlichiosis | Lyme Disease

  https://www.columbia-lyme.org/ehrlichiosis

  Patients are most likely to be infected with Ehrlichia in spring and summer months, though cases occur into autumn as well. […] Although most cases of HME are uncomplicated, it is a potentially serious illness. Hospitalization rates in symptomatic patients are estimated to be 40-50%, and fatalities run in the 2-3% range. […] The potential severity of ehrlichial infections makes early diagnosis critical. Common findings on conventional blood tests include leukopenia, thrombocytopenia, and elevated serum transaminases, and this triad, which is also found in Rocky Mountain spotted fever, should prompt physicians to seriously consider empiric antibiotic treatment, especially if the patient is from an endemic area and has had recent tick exposure. […] From the standpoint of timeliness, the most useful diagnostic test for ehrlichiosis is probably polymerase chain reaction (PCR). […] PCR sensitivity is negatively affected by prior antibiotic treatment, so blood samples for PCR testing should be drawn before treatment has been initiated.

• #2 ENY-2067/IN1327: Ehrlichia and Anaplasma

  https://edis.ifas.ufl.edu/publication/IN1327

  Ehrlichia chaffeensis is the causative agent responsible for human monocytic ehrlichiosis (HME), mainly by infecting monocytic cells (a type of white blood cell) as well as other cells such as lymphocytes. […] Also, early treatment with the antibiotic doxycycline can prevent death and severe illness. […] Diagnosis of PMES in patients can be accomplished using PCR and serological tests. […] For human ehrlichiosis and anaplasmosis, there is no vaccine that can be used, and the best prevention is tick management. […] Only a doctor or a veterinarian can prescribe the appropriate treatments for ehrlichiosis and anaplasmosis.

• #2 Ehrlichiosis and anaplasmosis – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/ehrlichiosis/symptoms-causes/syc-20372142

  If treated quickly with appropriate antibiotics, you’ll likely recover within a few days. […] Untreated ehrlichiosis and anaplasmosis can result in serious or life-threatening complications. […] Without prompt treatment, ehrlichiosis and anaplasmosis can have serious effects on an otherwise healthy adult or child.

• #3 Ehrlichiosis, Anaplasmosis, and Related Infections in Animals – Infectious Diseases – MSD Veterinary Manual

  https://www.msdvetmanual.com/generalized-conditions/rickettsial-diseases/ehrlichiosis-anaplasmosis-and-related-infections-in-animals

  Doxycycline is the treatment of choice. […] To treat infection with Ehrlichia and Anaplasma spp, the drug of choice is doxycycline because of its superior intracellular penetration and bacteriostatic properties against rickettsiae. Doxycycline is recommended for dogs of all ages. If infection is suspected, dogs should be treated empirically; treatment should not be withheld or delayed pending laboratory results. Early seronegative tests should not be considered a reason to stop therapy, because antibodies may take 1 week to develop in acute cases. […] Recommended drug dosages for treatment of ehrlichiosis are: Doxycycline: 5 mg/kg every 12 hours, or 10 mg/kg every 24 hours, PO or IV, for at least 28 days. Minocycline may be substituted if doxycycline is unavailable. […] In acute cases receiving appropriate antibiotic therapy, body temperature is expected to return to normal within 24-48 hours after treatment.

• #3 Identifying and treating 3 tick-borne diseases in dogs

  https://www.dvm360.com/view/identifying-and-treating-3-tick-borne-diseases-dogs

  Treating ehrlichiosis, anaplasmosis and RMSF centers around appropriate antimicrobial administration and adjunctive or supportive care. Doxycycline is the mainstay of antimicrobial treatment. […] Adjunctive or supportive therapy can vary widely, depending on the organ systems affected and associated clinical signs. Patients that exhibit neurologic signs, hemolytic anemia, severe thrombocytopenia, edema, joint swelling or muscle pain frequently require high anti-inflammatory or immunosuppressive doses of corticosteroids initially (prednisone/prednisolone at 1 to 2.2 mg/kg/day orally; dexamethasone sodium phosphate at 0.15 to 0.35 mg/kg every 48 hours intravenously until oral prednisone can be given) in combination with an appropriate antimicrobial drug to achieve timely resolution of these more critical or uncomfortable aspects of infection.

• #3

  https://www.vin.com/apputil/content/defaultadv1.aspx?pId=11343&meta=generic&catId=34572&id=5124317&ind=191&objTypeID=17

  Despite clinical improvement and presumable clearance of the infection, bone marrow regeneration may require up to 120 days following treatment. […] The duration of treatment of chronically affected dogs with severe pancytopenia or aplastic anemia is controversial. […] Following therapeutic elimination of Ehrlichia spp., dogs do not develop protective immunity and can be re-infected when re-introduced to a vector-competent tick.

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