title: A three-year photopatch study in Thailand.
abstract: Photopatch testing was performed on 274 patients who had history of photosensitivity at the Institute of Dermatology Thailand from 1987 through 1989. A total of 92 positive photocontact reactions and 71 positive contact reactions were seen. The most frequent positive photopatch test reactions were to sulfanilamide (18.2%) followed by Jadit (4.4%) chlorpromazine (3.6%) promethazine (3.6%) and fenticlor (3.2%). The most common photodermatoses was polymorphous light eruption (60.9%). Photocontact dermatitis was established in 28 patients (10.2%) while other skin diseases aggravated by sunlight were seen in 47 patients (17.2%).
authors.affiliation: Institute of Dermatology, Bangkok, Thailand.
authors.forename: P
authors.initials: P
authors.lastname: Gritiyarangsan
mesh_terms: D010129:4-Aminobenzoic Acid / Q000009:adverse effects; D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000890:Anti-Infective Agents / Q000009:adverse effects; D002648:Child; D003877:Dermatitis, Contact / Q000175:diagnosis / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010787:Photosensitivity Disorders / Q000175:diagnosis / Q000209:etiology*; D012457:Salicylamides / Q000009:adverse effects; D012882:Skin Tests; D000077145:Sulfanilamide; D013424:Sulfanilamides / Q000009:adverse effects; D013785:Thailand
chemical_list: D000890:Anti-Infective Agents; D012457:Salicylamides; D013424:Sulfanilamides; D000077145:Sulfanilamide; C006831:buclosamide; D010129:4-Aminobenzoic Acid