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Pityriasis rosea

Pityriasis rosea is an acute, benign, self-limiting process which begins as a single primary "herald" patch, followed by a generalized secondary eruption in a classic "Christmas tree" distribution. A prodrome of pharyngitis, lymphadenopathy, headache and malaise can precede the onset of the eruption. The etiology is uncertain, though it may be linked with human herpes virus 7. As scary as this can look, it goes away within 8 weeks without any sequelae.

herald patch

pityriasis rosea

pityriasis rosea

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