AAP News Vol. 14 No. 4 April 1998, p. 2
© 1998 American Academy of Pediatrics
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Food allergy test

Stefanie Dell'Aringa

Most children with atopic dermatitis (AD) have a food allergy that can be diagnosed by a prick skin test, a University of Arkansas study stated.

Subjects were 165 patients with AD attending the Arkansas Children's Hospital Pediatric Allergy Clinic who underwent allergy prick skin testing for seven foods. Patients with positive tests underwent double-blind, placebo-controlled food challenges.

Food allergens used in the study included milk, eggs, peanuts, soy, wheat, cod/catfish and cashews.

Results showed:

• of 2,061 prick skin tests, 323 yielded positive reactions;

• close to 60 percent of patients had at least one positive test; and