Baboon syndrome "Andersen et al described baboon syndrome in 1984. It was characterized by a clinical presentation of systemic contact dermatitis with pruritic and confluent maculopapular light-red ...

"Systemic dermatitis may present as a scattered/generalized dermatitis, symmetrical drug-related intertriginous and flexural exanthema (also referred to as baboon syndrome), or erythroderma," he said.

A bright red butt (Image credit: Baboon photo via Shutterstock) People exposed to certain metals, medications and plants or herbs, can develop Baboon Syndrome.