423 Multiple Manifestations of Food Allergy in a Patient with a Change of Eating Habits

Background Food-induced allergic reactions are responsible for a variety of symptoms and disorders involving the skin, gastrointestinal and respiratory tracts and can be attributed to IgE-mediated and non–IgE-mediated (cellular) mechanisms. Food allergy frequency varies according to age, local diet, and many other factors. The diagnosis of food allergy is based on clinical history, skin prick test (SPT), food specific IgE and more recently atopy patch tests (APT). If needed the use of an oral food challenge to confirm allergy or tolerance.