A member asked:

I was told that i had pityriasis rosa, and that it would go away by it self, but it is not going away, what else could it be? what could i do? itches

2 doctors weighed in across 2 answers

Cant tell: Pityriasis rose a usually lasts 8 weeks but can last up to 14 weeks. There are no blood tests for pityriaisis rose a. Discusss with dermatologist possible skin biopsy if this persists to rule other conditions such as atypical psoriaisis.

Answered 12/20/2012

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Get 2nd opinion: Pityriasis rosea can hang around for weeks and itch miserably. Erythromycin and getting a not-so-bad sunburn are supposed to help. If it's not resolving, get it looked at by a specialist; it's easy to mistake atypical psoriasis for pr.

Answered 10/3/2016

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