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    Asthma Triggers

    Asthma triggers are things that can cause an asthma flare-up. They include the things listed in the table below.


    • Pollen (trees, grasses, and weeds)

    • Mold

    • Dust and dust mites

    • Cockroach droppings

    • Mice and other pests

    Respiratory infections

    • Viral infections including the common cold

    • The flu

    • Sore throat

    • Sinus infection


    • Strong odors and sprays such as perfumes, household cleaners, paints, and varnishes

    • Chemicals such as coal, chalk dust, or talcum powder

    • Air pollutants such as ozone and chemicals in the air

    • Weather conditions including cold or wind, or hot, humid weather

    • Chemical exposure on the job such as dust, gases, or fumes

    Sensitivity to medicines

    • Aspirin

    • Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen and naproxen

    • Sulfites used as preservatives in foods and drinks


    • Strenuous physical exercise 

    • Long-term activities such as long-distance running

    Other conditions

    • Gastroesophageal reflux (GERD)

    • Overweight

    • Obstructive sleep apnea


    • Tobacco smoke, both inhaled and secondhand

    • Smoke from wood-burning stoves and fireplaces


    • Anxiety

    • Stress

    • Depression

    Online Medical Reviewer: Alan J Blaivas DO
    Online Medical Reviewer: Daphne Pierce-Smith RN MSN CCRC
    Online Medical Reviewer: Paula Goode RN BSN MSN
    Date Last Reviewed: 8/1/2018
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