Asthma triggers

by | May 14, 2019 | Asthma

Question: What Triggers or Causes Asthma? Common Asthma Triggers

The triggers that cause the inflammation and airway constriction can vary in different people. When the airway comes into contact with one of many asthma triggers, it becomes inflamed, constricts, and fills with mucus. The lining of the airway may swell, causing the airway to narrow.

Asthma triggers include:

  • pollen
  • dust mites or cockroaches
  • mold
  • fireplaces
  • pet hair or dander
  • changes in weather, especially cold air
  • respiratory infections such as the common cold
  • tobacco smoke
  • stress and strong emotions
  • hormonal fluctuations
  • exercise and physical activity (exercise-induced asthma)
  • allergic reaction to certain foods, such as eggs, nuts, and milk
  • sulfites and food preservatives
  • heartburn or acid reflux
  • certain medications, such as beta blockers, aspirin (Bayer), and ibuprofen (Advil, Motrin)
  • poor air quality that is high in nitric oxide, ozone, and sulfur dioxide gases
  • chemicals and fragrances

Depending on the severity of your asthma, you could experience symptoms on an ongoing (chronic) basis or only when your body interacts with triggers. Symptoms also tend to be worse at night.

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