Occupational Allergic Dermatoses From Textile, Leather, and Fur Dyes

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Abstract
Twenty-one cases of allergic dermatoses from textile, leather, and fur dyes have been detected at our clinic (Institute of Occupational Health Helsinki, Finland) between 1974 and 1986. These dyes caused 2.5% (18 out 709) of cases of allergic occupational dermatitis. Patch testing indicated that occupational textile dye dermatitis is caused by reactive, azoic, and disperse dyes of azo and anthraquinone chemical classes. Patients with allergic patch test reactions from dyed leather and fur products usually also reacted to p-phenylenediamine and p-aminoazobenzene. Ideally, the dyes should be used for patch testing, but this is often impossible. When the dyes are not available, pieces of moistened fabrics, leather skins, or furs should be tested. Patch testing with an ICDRG standard series and a series of organic dyes including p-aminoazobenzene, p-aminodiphenylamine, and o-nitro-p-phenylenediamine may help detect the dye allergy.

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