Erythema chronicum migrans

View the Adult Skin Problems Slideshow Pictures

Medical Definition of Erythema chronicum migrans

Erythema chronicum migrans: The classic initial rash of Lyme disease. In the early phase of the illness, within hours to weeks of the tick bite, the local skin develops an expanding ring of unraised redness. There may be an outer ring of brighter redness and a central area of clearing. For more information, see Lyme Disease.


Quick GuideRosacea, Acne, Shingles: Common Adult Skin Diseases

Rosacea, Acne, Shingles: Common Adult Skin Diseases

Subscribe to MedicineNet's Skin Care & Conditions Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.

Reviewed on 8/28/2013

Health Solutions From Our Sponsors