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November 1979

Solar Pruritus

Author Affiliations

From the Division of Dermatology, University of Kansas Medical Center, Kansas City.

Arch Dermatol. 1979;115(11):1368. doi:10.1001/archderm.1979.04010110060031

Sunlight has been shown to be associated with a wide variety of dermatoses. A rare, sun-related condition, reported by Waisman in 1968,1 was characterized by intense pruritus of the lateral aspect of the elbows. We wish to report a case of solar pruritus and offer a possible mechanism for its occurrence.

Report of a Case  Our patient was a 48-year-old white man who complained of paroxysmal, intense itching on the extensor aspect of the right elbow over the area of the brachioradial muscle. These episodes had occurred intermittently for the previous three summers and the pruritus had appeared again in March 1979, after a recent vacation to the tropics. Each episode of itching began after several weeks of long-term exposure to sunlight. The patient had been taking no medications and had not been using any topical preparations when the problem occurred. Topical steroids, calamine lotion, topical anesthetics, diazepam, and

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