Is It a Food Allergy or a Food Intolerance?
- Cow's milk
- Tree nuts (such as walnuts, pecans, almonds and cashews)
Learn the symptoms of gluten intolerance and celiac disease—and get tips for gluten-free diet.
The best way to figure out whether you have a food allergy is to consult with an allergist. One of the tools an allergist has is a skin-prick test, in which several tiny drops of various allergens are placed on your skin. If any of them produce a raised bump, you are allergic to the substance.