Catalog

Allergens

No MMS code

Link to WHO Definition

Allergens – http://id.who.int/icd/entity/1991139272

An allergen is any substance (antigen), eaten, inhaled or exposed to the skin, that is recognised by the immune system and causes an allergic reaction, such as rhinitis, asthma, food and drug hypersensitivity, skin reactions and anaphylaxis.