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What is the allergen

Allergens, also known as allergens or allergen. The popular term for allergens, allergens or allergen for medical terminology, refers to people allergic to the occurrence of the antigen. They are a common feature: contact allergens after a certain period of time, the body sensitized. Allergens can be a long period of time may be short, this is no time clinical symptoms, when contact with allergens again only after the occurrence of allergic reactions. So, often for the first time the material will not come into contact with allergens and repeated contacts, allergic symptoms may occur. After repeated exposure, symptoms usually increase gradually.

In the incidence of allergy, allergic media plays a direct role in allergic hypersensitivity was a necessary condition for the occurrence of the disease, and the existence of a large number of free radicals is the root cause of allergy occurred. Free radical oxidation damage to mast cells and basophil of the cell membrane, so that damage, degeneration, the body’s immunity is low, for the antigen, antibodies of the abnormal immune response occurs to create the conditions leading to the breakdown of cells, the release of allergic media, making allergy Occurrence of the disease.