Lyme disease is an illness from getting bitten by a tick infected with a certain type of bacteria. It can cause fatigue, headache, stiff neck, fever, sore muscles and joints, and sometimes a red rash that looks like a bull's-eye.
Antibiotics usually work. If you don't get treated right away, Lyme disease can cause serious problems with the joints, nervous system, and heart.
Last Revised: October 9, 2012
Author: Healthwise Staff
Medical Review: E. Gregory Thompson, MD - Internal Medicine & Christine Hahn, MD - Epidemiology
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