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Patch Testing with European Standard Allergens in Tunisian Patients

Contact dermatitis is a major cause of skin disease in Tunisia. Thirteen percent of patients seen in the outpatient clinic of dermatology in 1999 were suspected to have allergic contact dermatitis. In the literature, the majority of reported patch testing series come from developed countries [1–4]. The situation of the most common allergens is not known in Tunisia, a developing country. It is important to assess the situation of contact dermatitis in our country and to draw up a profile of the major allergens. Material and Methods Between April 16, 1996, and April 15, 1999, 393 unselected patients suspected of having allergic contact dermatitis were patch tested with the 22 allergens of the European standard series. Pregnant women and patients receiving immunosuppressive drugs were not tested. Supplemental patch tests with crude products used by the patients were not included in this study. The patients were patch tested with Finn chambers, and the tests were read after 48 h and 72 h in doubtful cases. We studied the distribution of the allergens in the patch-tested population. Our results were compared to the data reported in the literature.