Korean J Dermatol.
1981 Jun;19(3):371-375.
A Case of Solar Urticaria
Abstract
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Solar urticaria is a fairly uncommon but Well recognized clinical entity characterized by erythema and wheal with itching immediately following exposure to sunlight or artifical radiation. A 33-year-old female had a six-year duration of urticaria, tightness of chest and dizziness that appeared within 15 minutes of exposure to sunlight. The action spectrum of this patient was between 320 and 400nm and the passive and reverse passive transfer test were negative. Solar urticaria of our patient appeared to belong to type g in the classification of Harber et al(1963). The patient was treated with antihistamines and repeated exposure to sunlight for inducing tolerance. After 3 months of the treatment, the symptoms did not appear even after 3 hours of exposure to sunlight.