Clinical course of specific oral tolerance induction (SOTI) using IFN-gamma for food-dependent exercise-induced anaphylaxis (FDEIA) (Case 1). Solid line with spot is the change of clinical severity scores according to the dose. Bars are the frequency of treatment at the same dose to which patients showed allergy provocation by SOTI using IFN-gamma until overcoming the allergy provocation and resultant tolerance to the dose.