Food allergy is most commonly triggered by egg, cow's milk (dairy), peanut, tree nuts, sesame, soy, wheat, fish and other seafood, although almost any food can cause an allergic reaction. Allergic reactions to foods range from mild to severe (anaphylaxis), which requires immediate treatment with adrenaline (epinephrine).
Allergy tests (skin prick testing or blood tests for allergen specific Immunoglobulin E antibodies are used to confirm food allergy triggers. Sometimes a medically supervised food allergen challenge is also required to confirm or exclude food allergy. Dietary avoidance for food allergy should only be carried out under medical and dietitian supervision, to ensure adequate nutrition, growth and development.
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National Allergy Council Resources
Webpage updated February 2024