Pityriasis rosea (PR) is an acute inflammatory skin disorder ... is the distinguishing hallmark of PR (see Figure 1). This herald patch is first noticeable as a small erythematous papule, but ...

Out of more than 3,000 skin diseases, how do you know what condition you have? These 23 skin rash pictures and expert tips can help you decipher your skin.

At times, the herald patch may be absent or overlooked ... The plaques usually spare the face, scalp and distal extremities. The rash of pityriasis rosea typically lasts approximately 5 weeks ...

After you see your first case of pityriasis rosea, you'll never forget it, Hu says. The characteristic rash starts with a central circular or oval-shaped area, known as the "herald patch," Hu ...