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![]() Common Asthma Triggers Photo courtesy of A.D.A.M. Related Sites"Allergen"About.com Health's Disease and Condition content is reviewed by Sanja Jelic, MD
Definition: An allergen is a substance that can triggeror set offan allergic reaction in the body. This reaction can cause symptoms in the nose, eyes, mouth, throat, skin, and airways. In people with allergy-induced asthma, the resulting asthma symptoms are most often wheezing, cough, chest tightness, and shortness of breath.
Pronunciation: AL-lur-JEN Also Known As: allergy triggers, asthma triggers Examples: Grass, tree, and weed pollens are examples of allergens. So is pet dander, cockroach sheddings, mold spores, and dust mites. Updated: February 28, 2008 |
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