If you are experiencing a medical emergency please dial 911 immediately
Relapsing fever is an infectious disease that can be passed to humans by ticks. Relapsing fever is most common in the western United States.
Symptoms usually start 3 to 11 days (average 6 days) after the tick bite. They may last for several days, go away, and then return (relapse) several days later. Symptoms of relapsing fever include:
Prescription medicine is used to treat relapsing fever.
Last Revised: July 5, 2013
Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & H. Michael O'Connor, MD - Emergency Medicine
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