Pityriasis rosea is an inflammatory skin disorder that most commonly affects young adults. It may begin as a single red, scaly patch. A number of other lesions may develop over several days. It occurs most commonly on the chest and abdomen, but may involve the uppers arms and upper legs or neck. It is not contagious. It lasts weeks to months and gradually fades.
Causes of Pityriasis Rosea
Although the exact cause of Pityriasis rosea is not known, it is thought to be to a virus or an autoimmune disorder.
Signs and Symptoms of Pityriasis Rosea
Symptoms of Pityriasis rosea include a faint rash often found in skin creases of oval or round, pale-pink or light-brown areas. At times, the process will begin as one larger patch, or herald patch. It may evolve into a Christmas tree pattern on the chest or back. Mild fatigue, mild fever and mild itching may develop.
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Medical Content Last Updated on 07/12/2008
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