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Curr Allergy Asthma Rep. 2012 Feb;12(1):42-7. doi: 10.1007/s11882-011-0237-0.

The likelihood of remission of food allergy in children: when is the optimal time for challenge?

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  • 1Pediatric Allergy and Immunology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.


Although diagnostic testing methods for food hypersensitivity have improved over time, both in vivo and in vitro methods are significantly flawed, especially as evidenced by the frequent occurrence of false-positive test results. Because of these limitations, oral food challenge testing remains an essential element in the diagnosis and management of food allergy. In fact, the double-blind, placebo-controlled food challenge remains the gold standard for the diagnosis of food allergy. In this review, we focus on the optimal timing of oral food challenges, especially for patients with a known food allergy, to determine if the food allergy may have been outgrown.

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