Sulfite contact allergy
- 1 September 1994
- journal article
- Published by Wiley in Contact Dermatitis
- Vol. 31 (3) , 172-175
- https://doi.org/10.1111/j.1600-0536.1994.tb01959.x
Abstract
In the last 2 years, 2,894 consecutive eczematous patients were patch tested with sodium metabisulfite 1% pet. Positive reactions were elicited in 50 subjects (1.7%). All 50 patients were also positive to potassium metabisulfite 1% pet. and sodium bisulfite 1% and 5% pet., while only 2 of them were positive to sodium sulfite 1% pet. Prick tests and intradermal tests with a sodium metabisulfite solution (10 mg/ml) were negative. No flare‐ups of dermatitis or patch test were provoked by oral challenge with 30 mg and 50 mg of sodium metabisulfite. The dermatitis was taken to be occupational in 7 cases. In only 5 out of 43 non‐occupational cases was the positive reaction considered relevant.Keywords
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