Edwin J. Masters, MD


Differentiating Loxoscelism From Cutaneous Anthrax and Lyme Erythema Migrans

December 18, 2007

Loxoscelism is often misdiagnosed, in part because the clinical presentation of loxoscelism is similar to that of other conditions, such as cutaneous anthrax and Lyme erythema migrans (EM). Differentiating these disorders is important because some of these conditions require early treatment to achieve the best clinical outcomes. Unfortunately, using geography to make or exclude a diagnosis is becoming less reliable.