The blood test generally costs more than skin testing. The results are usually not ready for one to two weeks. If done right, skin tests or blood tests are reliable and can rule in or out food allergy. Some people do test “allergic” to a food (by skin or blood testing) and yet have no symptoms when they eat that food.
Food allergy tests measure IgE antibodies and can’t be currently taken at home. This test also cannot diagnose Celiac Disease. Food can trigger an immune response which may manifest itself in physical symptoms such as:. Food intolerance.
A food intolerance or sensitivity is different than a food allergy. Allergy testing determines histamine or an inflammatory response in the body, while a food intolerance or sensitivity is an inflammatory reaction to a particular food.
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What are the symptoms of food intolerance? Is there a food intolerance test? Could my symptoms be something else? Is it a food intolerance or food allergy?
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