The list of signs and symptoms mentioned in various sources for Ehrlichiosis includes the 11 symptoms listed below:
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The list of other diseases or medical conditions that may be on the differential diagnosis list of alternative diagnoses for Ehrlichiosis includes:
See the full list of 12 alternative diagnoses for Ehrlichiosis
More information about symptoms of Ehrlichiosis and related conditions:
Click on any of the symptoms below to see a full list of other causes including diseases, medical conditions, toxins, drug interactions, or drug side effect causes of that symptom.
Medical Books Excerpts Excerpts of published medical book chapters related to Ehrlichiosis are available from published medical books for more detailed information about Ehrlichiosis.
Copyright notice for book excerpts: Copyright © 2008 Lippincott Williams & Wilkins. All rights reserved.
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The incubation period for ehrlichiosis is 9 days from the time of the tick bite. Early symptoms include fever, chills, headache, muscle pain (myalgia), and nausea. A maculopapular or petechial rash appears in about half of the cases.
Most people infected with ehrlichiosis don’t seek medical help, but it can be fatal.
Source: Professional Guide to Diseases (Eighth Edition), 2005
Source: The 5-Minute Pediatric Consult, 2008
The early clinical presentations of ehrlichiosis may resemble nonspecific signs and symptoms of various other infectious and non-infectious diseases. It is unclear if all persons infected with ehrlichiae become ill. It is possible that many infected persons develop an illness so mild they do not seek medical attention or perhaps have no symptoms at all.
Patients with ehrlichiosis generally visit a physician in their first week of illness, following an incubation period of about 5-10 days after the tick bite. Initial symptoms generally include fever, headache, malaise, and muscle aches. Other signs and symptoms may include nausea, vomiting, diarrhea, cough, joint pains, confusion, and occasionally rash. In contrast to Rocky Mountain spotted fever, rash is relatively uncommon in adult patients with HME, and is rarely reported with HGE. However, rash has been described in approximately 60% of pediatric patients infected with E. chaffeensis. (Source: excerpt from Human Ehrlichiosis in the United States: Signs and Symptoms: DVRD)
Ehrlichiosis can be a severe illness, especially if untreated, and as many as half of all patients require hospitalization. Severe manifestations of the disease may include prolonged fever, renal failure, disseminated intravascular coagulopathy, meningoencephalitis, adult respiratory distress syndrome, seizures, or coma. It is estimated that 2%-3% of patients may die from the infection. Preliminary evidence suggests that E. chaffeensis infection may become more severe than other ehrlichial infections. (Source: excerpt from Human Ehrlichiosis in the United States: Signs and Symptoms: DVRD)
Incubation period for Ehrlichiosis: about 5-10 days
Incubation period for Ehrlichiosis: following an incubation period of about 5-10 days after the tick bite. (Source: excerpt from Human Ehrlichiosis in the United States: Signs and Symptoms: DVRD)
These general reference articles may be of interest in relation to medical signs and symptoms of disease in general:
Full list of premium articles on symptoms and diagnosis
The symptom information on this page attempts to provide a list of some possible signs and symptoms of Ehrlichiosis. This signs and symptoms information for Ehrlichiosis has been gathered from various sources, may not be fully accurate, and may not be the full list of Ehrlichiosis signs or Ehrlichiosis symptoms. Furthermore, signs and symptoms of Ehrlichiosis may vary on an individual basis for each patient. Only your doctor can provide adequate diagnosis of any signs or symptoms and whether they are indeed Ehrlichiosis symptoms.
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