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Pityriasis alba is a common skin disorder similar to very mild eczema.
The cause is unknown but associated with eczema. The disorder is most common in children and adolescents -- particularly in children with dark skin.
The patches don't tan, but may get red quickly in the sun.
Symptoms are treated with moisturizers and mild topical steroid creams. The patches usually clear up, but may return.
Reviewed By: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.