Washington: The food avoidance poses a nutritional risk for these children, and is often based primarily on data from blood tests known as serum immunoassays. Many factors, including patient and family history, physical examination, and blood and skin tests, should be used when evaluating potential food allergies. The oral food challenge, in which patients consume the suspected allergenic food, is the gold standard test. The researchers conducted a retrospective chart review of 125 children evaluated at National Jewish Health for suspected food allergies. Depending on the reason for food avoidance, 84 per cent to 93 per cent of foods being avoided were restored to their diets after an oral food challenge. "People with known food allergies, especially those with a history of anaphylactic reactions, should by all means avoid those foods," said David Fleischer, lead author of the study and Assistant Professor of Pediatrics at National Jewish Health.
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