Abstract
Oral immunotherapy (OIT) for food allergy requires exercise restrictions following the regular consumption of allergens to prevent immediate symptoms. We investigated the efficacy and the safety of exercise provocation tests to assess exercise tolerance after consumption of allergens following OIT. This study was based on data from patients who underwent exercise provocation tests with consumption of their allergen after OIT in Miyagi Children's Hospital between April 2012 and March 2019. The results of exercise provocation tests and patients' characteristics were retrospectively analyzed. Fifteen out of 91 patients were positive for exercise provocation tests. The positive rates were 12% (4/33) with egg, 15% (5/34) with cow's milk, and 25% (6/24) with wheat. Intramuscular adrenaline injections were administered to two patients with allergies to egg, one with cow's milk, and one with wheat. Following OIT, the assessment using exercise provocation tests should be performed prior to termination of exercise restriction because some patients remain intolerant to exercise.
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