Food allergies can result in life-threatening reactions and diminish quality of life. The prevalence of food allergies is increasing with large regional variability. A few food allergens cover the majority of food-related reactions (cow`s milk, egg, wheat, soy, fish, crustacean, nuts and peanut). Food reactions can be categorized in IgE-mediated and non-IgE-mediated, the latter of which remaining often a clue in the diagnosis. Treatment of food allergy involves mainly strict avoidance of the trigger food. Medications help to manage symptoms of disease, but currently, there is no cure for food allergy.

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