TWO CASES OF FOOD-DEPENDENT EXERCISE-INDUCED ANAPHYLAXIS DIFFICULT TO EVOKE SYMPTOMS BY PROVOCATION TEST

Morimoto Kenichi, Sanada Seiko, Hara Takeshi, Hide Michihiro

doi:10.15036/arerugi.55.1433

We report two cases of food-dependent exercise-induced anaphylaxis (FDEIA), which were hardly induced by provocation test in the hospital. Case 1: A 28-years-old Japanese female suffers repeated episodes of sternutation, nasal discharge and edema of eyelids after wheat ingestion of wheat followed by exercise. Case 2: A 14-years-old Japanese male suffers repeated episodes of wheal formation on whole body and dyspnea after lunch containing apple followed by exercise. Both of them had never developed symptoms by either ingestion or exercise alone. Provocation tests were performed on admission by combinations of the ingestion of suspected foods, exercise, and aspirin, but no symptoms were reproduced by any combination of them. After discharge, case 1 reproduced symptoms during exercise after the ingestion of wheat under prostration and cold climate. Case 2 reproduced symptoms during exercise after ingestion of apple when he suffered from common cold. Warm and comfortable condition in admission may make it harder to evoke symptoms by the provocation test. Frigidity, cold, prostration, and stress should be reckoned with in the provocation test to improve the accuracy of diagnosis for FDEIA.

TWO CASES OF FOOD-DEPENDENT EXERCISE-INDUCED ANAPHYLAXIS DIFFICULT TO EVOKE SYMPTOMS BY PROVOCATION TEST

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