A 45-year-old member asked:
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what's the difference between food allergy and food intolerance?

1 doctor answer
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
Mechanism: Food allergies are mediated by the ige antibody and it takes only a small amount to lead to a severe even anaphylactic allergic reaction and rarely death. Food intolerance is GI symptoms of bloating, gassy, crampy belly pain and diarrhea after eating usually larger amounts of a food. Intolerances are more common (like lactose intolerance) and are not mediated by ige antibody and not life ending.
Answered on Jun 10, 2014

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