Medical Definition of Enanthem

Enanthem: Or enanthema, is a rash inside the body. An example: the spots in measles (Koplik's spots) inside the mouth that look like a tiny grains of white sand surrounded by a red ring.

By contrast, a rash on the outside of the body is called an exanthem. A patient with measles may have both an exanthem and an enanthem or enanthema.

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Last Editorial Review: 5/13/2016

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