Abstract:
A 35-year-old hairdresser with no known food allergy to wheat suffered from contact urticaria on her hands, generalized urticaria, coughing and dyspnea whenever she used a specific hair conditioner at a beauty salon. In this case report, 5 conditioners that she used while at work has been texted. Prick testing elicited a positive wheal and flare response to a conditioner and negative reactions to other four conditioners. Total 13 products (7 ingredients and 6 prepared mixtures) has been tested, they were components of the conditioner that produced a positive reaction. She reacted positively toone of the products (prepared mixture 1) which was composed of eight ingredients: a hydrolyzed wheat protein, water, phenoxyethanol, isobutyl parahydroxybenzoate, ethyl parahydroxybenzoate, butyl parahydroxybenzoate, propyl parahydroxybenzoate and methyl parahydroxybenzoate. These seven ingredients have been performed by prick testing and she only reacted positively to a hydrolyzed wheat protein. Wheat and gluten also have been tested and she reacted negatively to those products. Her specific IgE levels of wheat and gluten were low (<0.34 IU). It has been found that she could eat wheat and food with hydrolyzed wheat proteins without having an allergic reaction.
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