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Food hypersensitivity may be a severe problem that most of us take for granted. The reason why people normally ignore reaction to certain food is that some types of allergies results into very simple symptoms, but mind you, most of food allergies could be fatal such as nuts that causes anaphylaxis. There are so many things about food allergic reaction that you should know, as well as food allergic reaction testing. Before anything else, it is important that we know first how to differentiate food intolerance from food allergic reaction. What is food allergic reaction? Food allergy is an abnormal response to food that is triggered by a specific reaction in the immune system and expressed by certain, often characteristic, symptoms. What is food intolerance then? Food intolerance also is an abnormal response to food, and its symptoms can resemble those of food hypersensitivity. Food intolerance, however, is far more prevalent, occurs in a variety of diseases, and it's triggered by several different mechanisms that are distinct from the immunological reaction responsible for food allergic reaction. Along with all of us, the most general food allergens are highlighted below: cows milk, hens egg, peanuts, tree nuts, soybeans and wheat. For us adults, we need to watch out from these food allergens: peanut, tree nut, fish, crustaceans (such as shrimp, crabs and lobsters), mollusks, certain vegetable and fruit. Indications are inclined to occur right after eating. They may include reddening of the epidermis, hives, itchy skin, swollen lips or eyelids, tightness of the throat, wheezing, difficulty breathing, coughing, vomiting, or diarrhoea. A number of people may experience very light symptoms while some with severe symptoms and worse if fatal. This is the very reason why we should take reaction to certain food testing for granted. There are actually different methods used for food allergic reaction testing, one of these is prick testing. A prick test, or scratch test, is often used to test a number of potential allergens in the old days. An not yet proven prick test will usually be then an even more sensitive test. RAST test, The RAST, or radioallergosorbent, test is a blood test that tests for IgE antibodies. Elimination diet, An elimination diet may be undertaken in several ways, depending on the allergist supervising it, but the basic principle is the same: the diet begins with a limited set of foods that are deemed unlikely to cause a reaction. Other foods are added one by one during a period of days or weeks. Find more info on https://www.mymedlab.com/food-allergy/bigg-food-allergy-96b-home and https://www.mymedlab.com/food-allergy/bigg-food-allergy-96b-home.
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