[The incidence of food allergy in atopic dermatitis]

To clarify the incidence of food allergy in atopic dermatitis, non-selected 226 cases with atopic dermatitis visited in our hospital were evaluated by oral food challenge tests based on masked food allergy. 181 of 200 cases except 26 cases dropped out showed a positive reaction to at least one challenge test, after their skin manifestations had been relieved by environmental control and elimination diets. In conclusion, the incidence of food allergy in atopic dermatitis was 90.5%, and egg allergy, cow's milk allergy, soy bean allergy, wheat allergy, rice allergy were 83.5%, 51.5%, 33.5%, 20.0%, 2.5% respectively in 200 cases.