Erythema multiforme is an immune-mediated skin condition that may develop inside the mouth. Oral symptoms can include lesions on the lips and blisters and erosions on the gums and palate. Various ...
Erythema migrans and erythema multiforme both cause target- or bull’s-eye-shaped lesions. Erythema migrans is due to Lyme disease. Erythema multiforme is an immune-mediated hypersensitivity skin ...
It's a rash that's often the first symptom of Lyme disease. It's typically a circular red area. It might clear in the middle, forming a bull's-eye pattern, but most of the time it doesn't. It can ...