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Ehrlichiosis

Moderate severityTick-borne

A tick-borne bacterial infection that can become chronic and suppress the bone marrow if untreated.

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Symptoms to watch for

How it spreads

Bite of an infected brown dog tick.

Prevention

Tick preventives and prompt tick removal.

Related tick-borne conditions

Lyme Disease in dogs →RMSF in dogs →Anaplasmosis in dogs →Tick Sighting in dogs →

Frequently asked questions

What are the symptoms of Ehrlichiosis in dogs?

Common signs include Fever, Lethargy, Nosebleeds or bruising, Weight loss, Eye changes, Low blood cell counts. Signs vary by dog and stage — contact your veterinarian if you notice them.

How do dogs catch Ehrlichiosis?

Bite of an infected brown dog tick.

How can I prevent Ehrlichiosis in dogs?

Tick preventives and prompt tick removal.

Is Ehrlichiosis dangerous to dogs?

Ehrlichiosis is considered moderate severity. A tick-borne bacterial infection that can become chronic and suppress the bone marrow if untreated.

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Educational information only — not veterinary advice. If you think your dog is sick, contact your veterinarian.