What are the causes and symptoms of erythema multiforme?
Erythema multiforme has many causes, most commonly are drugs. Penicillin, sulfonamides, certain epilepsy drugs, aspirin, and acetaminophen are the most likely medication-induced causes. Erythema multiforme can also be caused by certain diseases. Herpes virus and mycoplasma pneumonia are likely infectious causes. Source: The Gale Group. Gale Encyclopedia of Medicine, 3rd ed.