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Food allergy is a harmful reaction that occurs when a person eats, breathes or touches particular foods. These reactions result due to the foods being treated as harmful or foreign by the body’s immune system thus deciding to attack these foods. The results are serious reactions which can include severe intestinal upsets with nausea and vomiting, skin rashes with hives and facial swelling, breathing difficulties, feeling faint and even passing out.
Any food can cause an allergic reaction but shellfish, fish, peanuts and tree nuts cause the most serious reactions.
An allergist is the best qualified professional to diagnose a food allergy. Testing performed by an allergist often helps determine if foods are causing your symptoms.
(Information only; not intended to replace medical advice; adapted from AAAAI)