An exanthem is any eruptive skin rash that may be associated with fever or other systemic symptoms. Causes include infectious pathogens, medication reactions and, occasionally, a combination of both.

Approximately 3–4 days after the prodromal symptoms, the typical exanthem of coalescing erythematous macules and papules erupts, beginning behind the ears and in the hairline area, and spreads ...

Contact dermatitis develops when your skin comes in contact with a substance that irritates your skin, or one to which you are allergic. The classic symptoms of contact dermatitis are an itchy, red ...