At the Mount Sinai School of Medicine's Jaffe Food Allergy Institute in New York City, allergists often see children who have been put on highly restricted diets because a parent or pediatrician suspected the child has food allergies. Yet when the children undergo an oral food challenge, many have no reaction to all or most of the foods.
“The exercise of diagnosing a food allergy is not just doing a skin test, it's not just doing a blood test, or not just having a report of a food allergy,” said Hugh Sampson, MD, director of the Jaffe Institute. “It takes a combination of a good medical history as well as some laboratory tests and in some cases an oral food challenge to make the appropriate diagnosis.”
Voelker R. Experts Hope to Clear Confusion With First Guidelines to Tackle Food Allergy. JAMA. 2011;305(5):457. doi:10.1001/jama.2011.48
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