What Are the Possible Triggers of Asthma?

What are the possible triggers of asthma?


Asthma trigger

When airways come into contact with an asthma trigger, the airways become inflamed, narrow, and fill with mucus. The common possible asthma triggers include:

  • Allergies, such as tree, grass, and weed pollens, mold, animal dander, dust mites, and cockroach particles
  • Some food and food additives
  • Strenuous exercise
  • Severe heartburn
  • Smoking
  • Sinusitis and other upper respiratory infections
  • Cold, flu, bronchitis, and sinus infections
  • Some medications
  • Irritants
  • Weather
  • Strong emotions


Keywords: asthma trigger; triggers asthma.



* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.