Specific Disease Frequently Asked Questions | Ehrlichiosis

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	What are the symptoms of Ehrlichiosis?
	In the United States, where do most cases of ehrlichiosis occur?
	How is ehrlichiosis treated?

What are the symptoms of ehrlichiosis?
The symptoms generally include fever, headache, fatigue, and muscle aches. Other signs and symptoms may include nausea, vomiting, diarrhea, cough, joint pains, confusion, and occasionally rash. Symptoms typically appear after an incubation period of 5-10 days following the tick bite. It is possible that many individuals who become infected with ehrlichiae do not become ill or they develop only very mild symptoms.

In the United States, where do most cases of ehrlichiosis occur?
Most cases of ehrlichiosis are reported within the geographic distribution of the vector ticks (see map below).

How is ehrlichiosis treated?
Ehrlichiosis is treated with a tetracycline antibiotic, usually doxycycline.