Definition: Allergenenteenshttps://kidshealth.org/EN/images/headers/T-dictionary-enHD-AR2.gifAn allergen is a medical word for anything that causes an allergic reaction.Definition: Allergen10/11/200408/11/201608/11/201655ed877d-9609-4faf-bd79-45d4cc612de0https://kidshealth.org/ws/RadyChildrens/en/teens/allergen.html/<h4>Allergen</h4> <p>An allergen is a medical word for anything that causes an allergic reaction. Allergens can be many different things, including grass, dust mites, or animal dander - the stuff that flakes off dogs' and cats' skin.</p> AlérgenoUn alérgeno es una sustancia capaz de provocar una reacción alérgica. En algunas personas asmáticas, los alérgenos que se inhalan por la nariz pueden causar síntomas como tos, resuello y falta de aire.https://kidshealth.org/ws/RadyChildrens/es/teens/allergen-esp.html/5a60200f-b91e-471d-97f3-3afc9ff48243kh:age-teenThirteenToNineteenkh:age-youngAdultEighteenPluskh:clinicalDesignation-allergykh:clinicalDesignation-pulmonologykh:genre-dictionarykh:primaryClinicalDesignation-allergyWords to Know for Teens With Asthmahttps://kidshealth.org/ws/RadyChildrens/en/teens/asthma-center/words-to-know/af80913e-f47b-46fe-99dc-387482ea53e9