Definition: Allergenenparentshttps://kidshealth.org/EN/images/headers/P-dictionary-enHD-AR2.gifAn allergen is a substance that's capable of producing an allergic reaction.Definition: Allergen10/11/200408/11/201608/11/2016e546b73b-320c-48ff-a715-b5a9c79ecdf9https://kidshealth.org/ws/RadyChildrens/en/parents/allergen.html/<h3>Allergen</h3> <p>An allergen is a substance that's capable of producing an allergic reaction. In some people with asthma, allergens that are breathed in can trigger symptoms such as coughing, wheezing, and shortness of breath. Allergens that commonly cause asthma symptoms include animal dander, dust mites, mold, and pollen.</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/parents/allergen-esp.html/8d88b41f-59c3-4740-95d0-d2915062eb15kh:age-allAgesOrAgeAgnostickh:clinicalDesignation-allergykh:clinicalDesignation-pulmonologykh:genre-dictionarykh:primaryClinicalDesignation-allergyAsthma Words to Knowhttps://kidshealth.org/ws/RadyChildrens/en/parents/asthma-center/words-know/1e3f21a2-c4e3-4dc4-8aa6-850a19c47fff