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Pityriasis rosea on the chest

Pityriasis rosea on the chest

Overview

Pityriasis rosea is a skin disease that produces oval spots (papules) over the trunk. The rash is frequently preceded by a "herald patch" (pictured here) lasting 1 to 2 weeks. The rash is usually rose red to brownish red with fine scales and central clearing. Itching (pruritus) occasionally occurs. Spontaneous remission occurs in 2 to 8 weeks. It is probably caused by an infectious agent, most likely a virus.

Review Date 12/10/2016

Updated by: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.