Food allergy is caused when the immune system mistakenly targets a harmless food protein as a potential threat and attacks it. The symptoms may involve abdominal pain in the guts, vomiting and diarrhea, itching and swelling in skin, runny nose and a wheeze or cough. There is a greater risk of developing food allergy if asthma, eczema or hives are common in your family. food allergies are more common in children and if you are already allergic to one food you may tend to become allergic to another.
HOW IS FOOD ALLERGY DIAGNOSED?
For people suffering from severe allergic reaction it is necessary to carry an epinephrine auto injector.