Erythema Migrans

Erythema migrans rash photo
Generic Name: 
Bull's Eye Rash
Alternate Name: 
Erythema chronicum migrans
Definition: 

A "bull's eye rash" is correctly named an Erythema Migrans skin rash.  The photo to the right shows how this rash typically appears.  Recent research shows that only a portion of people that are infected with Lyme develop any kind of rash, and few still, under <10% exhibit an Erythema Migrans skin rash ("Bull's Eye rash").

The rash is a skin infection resulting from Lyme bacteria, Borrelia burgdorferi sensu lato.

 

Term Type: 

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