What is it?

Ehrlichiosis is caused by bacteria and spread by ticks.
Tick infestations occur most often in the spring and summer, when people are more likely to come into contact with infected ticks.

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Additional names

This group contains additional names:
- Ehrlichiosis Not Elsewhere Classified
- Ehrlichiosis Chaffeensis
- Ehrlichiosis Not Otherwise Specified
- Ehrlichiosis

Signs & symptoms

Symptoms range from mild to life-threatening. They may include:

Fever and chills
Severe headache
Muscle aches
Nausea, vomiting, and diarrhea
Joint pain
Red eyes


medical history and your symptoms
recent tick bite.
Indirect immunofluorescent assay
Your white blood cells under a microscope


Treatment for Ehrlichiosis should begin as soon as possible. Most cases are treated before the diagnosis is confirmed. As a result, severe complications can be prevented.

Antibiotic medicine is the main treatment. The most commonly prescribed antibiotic is doxycycline.

☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.

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