Asthma Triggers

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This content is for informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician with any questions you have regarding a medical condition. Your provider will offer referrals or treatment plans based on your specific condition or diagnosis.

What are asthma triggers?

Asthma triggers are things that can cause an asthma flare-up. They include the things listed in the table below. Your healthcare provider can help you know what your triggers are and how to manage them.

Allergens

  • Pollen (trees, grasses, and weeds)

  • Mold

  • Pets (cats, dogs, hamsters, and birds)

  • Dust and dust mites

  • Cockroach droppings

  • Mice and other pests

Respiratory infections

  • Viral infections, including the common cold

  • The flu

  • Sore throat

  • Sinus infection

Irritants

  • 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 and food preservatives

  • Aspirin

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

  • Sulfites used as preservatives in foods and drinks

Exercise

  • Strenuous physical exercise

  • Long-term activities such as long-distance running

Other conditions

  • Gastroesophageal reflux disease (GERD)

  • Overweight

  • Obstructive sleep apnea

Smoke

  • Tobacco smoke, both inhaled and secondhand

  • Smoke from wood-burning stoves and fireplaces

  • E-cigarettes

Emotions

  • Anxiety

  • Stress

  • Depression

  • Anger