Pityriasis rosea is a common skin condition that causes a set of temporary red, scaly rashes. These mild rashes aren't contagious and usually clear up without medical treatment in 10 weeks or less.

Inverse pityriasis rosea usually causes a rash on the armpits, groin, neck, or face. The rash may clear up on its own, and medications such as antihistamines can help with itching. Inverse ...

A retrospective review reports that pregnant women with pityriasis rosea onset before 15 weeks have higher rates of ...