Erythema multiforme causes a distinctive rash resembling a bull's-eye. In this article, learn about the symptoms, causes, and treatment of erythema multiforme.

Erythema multiforme (EM) is a skin condition that takes the form of bull’s-eye-like lesions. Most of the time, it’s minor and caused by an infection or medication. More serious cases may ...

A 30-year-old woman presents with right eye pain, air and light sensitivity, and redness. What is your differential diagnosis, and what would you do next?

Not all rashes caused by Lyme disease look like the classic bull's-eye rash called erythema migrans. See pictures to know what to look for.

Catherine A. Cox Jordana F. Goren A 12-year-old girl was referred to Tufts Medical Center after 2 weeks of worsening left upper eyelid pain and left periorbital erythema plus edema.

A Young Woman With Unilateral Eye Pain and Erythema. Thalia Salinas; Rod Foroozan, MD. Disclosures. April 10, 2014. Case Diagnosis ...