common food intolerances and symptoms
Symptoms of food intolerance. Gluten is one of the most common causes of food intolerance. It can be difficult to determine whether the patient has a food intolerance or an allergy because the signs and symptoms often overlap. According to James Li, M.D., Ph.D., a Mayo Clinic allergy specialist, when it is an allergy, even small amounts result in symptoms, as may be the case with peanuts.
1 Symptoms of food intolerance tend to take longer to appear than symptoms of allergies. 2  The symptoms are varied and can include, migraine, cough, and stomachache.  Some food intolerance is caused by the lack of a particular enzyme.
Food Intolerance: Causes, Symptoms, and Diagnosis. Food intolerance, also known as non-IgE mediated food hypersensitivity or non-allergic food hypersensitivity, refers to difficulty in digesting certain foods. It is important to note that food intolerance is different from food allergy.