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May 1983

Treatment of Pityriasis Rosea With UV Radiation

Author Affiliations

From the Department of Dermatology, Beth Israel Hospital and Harvard Medical School, the Charles A. Dana Biomedical Research Institute, and Harvard-Thorndike Laboratory of Beth Israel Hospital (Drs Arndt, Paul, and Stern), and the Department of Dermatology, the Massachusetts General Hospital and Harvard Medical School (Dr Parrish), Boston.

Arch Dermatol. 1983;119(5):381-382. doi:10.1001/archderm.1983.01650290021010

• Twenty patients with symptomatic and extensive pityriasis rosea were treated with unilateral UV-B phototherapy in a bilateral comparison study. Five consecutive daily erythemogenic exposures resulted in substantially decreased pruritus and extent of disease greater than that on the untreated side in approximately 50% of the patients. Therapy seems to be most beneficial to patients receiving treatment within the first week of the eruption.

(Arch Dermatol 1983;119:381-382)