Abstract: | In France, about 20% of schoolchildren are suffering from allergic diseases. Food allergy (FA) is steadily increasing for the last 20 years. Actually, 400,000 children are suffering from FA. Prevalence has increased this last decade. Frequency is estimated about 10% and increased twofold within 5 years. In France, the most common food allergens are: hen's egg (35%), peanut (24%), cow's milk (8%), mustard (6%), and fish (4%). Other food allergens as hazelnut, kiwi, wheat, sesame, seafood, and lupin. Cross reactivities to exist between fruits, vegetables pollen, latex and are more and more frequent. Multiple food allergies have recently been described. |