Health Information Library

A skin rash that usually begins as a large spot on the chest, belly, or back.

Pityriasis rosea is a skin rash that usually begins as a large spot on the chest, belly, or back. A pattern of smaller spots often follows.

The condition can cause itching.

Pityriasis rosea usually goes away on its own. Steroid cream, antihistamines, and antiviral medicines can help.