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The first symptom of Lyme disease in most people is an expanding red skin rash (called erythema migrans or an EM rash). In about a third of people, the rash looks like a bull's-eye, with a pale center area surrounded by a bright red rim. The rash is often accompanied by flu-like symptoms, including:
About 20% of people have viruslike symptoms only (no rash) or have no symptoms at all.
If Lyme disease is not detected and treated while early symptoms are present, or if a person never has early symptoms that trigger the need for treatment, the infection may spread to the heart, the joints, the brain and spinal cord (nervous system), or sites on the skin.
Heart and nervous system problems may develop weeks to months after the initial infection, including:
Damage to the joints, nerves, and brain may develop months to years after a person becomes infected, causing:
ByHealthwise StaffPrimary Medical ReviewerE. Gregory Thompson, MD - Internal MedicineAdam Husney, MD - Family MedicineSpecialist Medical ReviewerChristine Hahn, MD - Infectious Disease, EpidemiologyW. David Colby IV, MSc, MD, FRCPC - Infectious Disease
Current as ofNovember 18, 2017
Current as of:
November 18, 2017
E. Gregory Thompson, MD - Internal Medicine
& Adam Husney, MD - Family Medicine & Christine Hahn, MD - Infectious Disease, Epidemiology & W. David Colby IV, MSc, MD, FRCPC - Infectious Disease
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