Overview
Ehrlichiosis is a disease transmitted by a tick infected with Ehrlichia organisms. Symptoms include fever, headache and nausea. The disease is treated with antibiotics and recovery is expected.
Review Date 8/26/2023
Updated by: Jatin M. Vyas, MD, PhD, Roy and Diana Vagelos Professor in Medicine, Columbia University Vagelos College of Physicians and Surgeons, Division of Infectious Diseases, Department of Medicine, New York, NY. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.