Pityriasis Rosea (Inflammatory Skin Rash)
Description
An inflammatory skin condition that most commonly affects young adults. It may begin as a single red, scaly patch (herald patch). The rash spreads over the few days most commonly on the chest and abdomen, but may involve the uppers arms and upper legs or neck. It lasts weeks to months and gradually disappears. It is not contagious.
Symptoms
Skin lesion or rash, itching of the lesions (mild to severe), skin redness or inflammation.
Tests
A history and physical exam will be performed. A blood test may be needed to rule out a form of syphilis which can cause a similar rash. Occasionally, a skin biopsy is performed to confirm the diagnosis.
Treatment
Mild cases do not need treatment. Gentle bathing, mild lubricants or creams, or mild hydrocortisone creams may be used to hasten healing. Antihistamines are prescribed to reduce itching. Moderate sun exposure or ultraviolet light treatment may help make the lesions go away more quickly.
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