What Is Lyme Disease?
Reviewed: Dr. Gromatzky
4. Erythema Migrans
The term erythema migrans translates from Latin into English as ‘migrating redness’. It is a term that explains the condition well, and the condition tends to arise anywhere from 3 to 30 days after the initial bite. The onset of the condition is marked when the red area around the bite begins to expand.
As the circumference of the red area beings to grow, a clear area will often form in the middle, forming a distinctive bullseye shape. In some cases, a red circle will remain in the center surrounded by a ring of clear skin, and then a ring of red skin. It is not usually itchy or painful but it can grow to be 30cm across in some cases.
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