Pityriasis alba
Definition
Pityriasis alba is a common skin disorder similar to very mild eczema.
Causes, incidence, and risk factors
The cause is unknown. The disorder is most common in children and adolescents -- particularly in children with dark skin.
Symptoms
Round or oval, colorless patches of skin appear on the face, upper arms, neck, and upper middle of the body. There may be flaky skin, called scales.
The patches don't tan, but may get red quickly in the sun.
Treatment
Symptoms are treated with special creams. The patches usually clear up, but may return.
Review Date: 4/16/2007
Reviewed By: Michael S. Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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