Asthma Triggers

Asthma makes your airways supersensitive. This means normally harmless substances and environmental conditions can make your asthma symptoms worse. The most common triggers of asthma are:

viral respiratory infections
- influenza
- bronchitis
- colds
- sinusitis
- sore throats
bacterial infections, including sinus infections
allergic rhinitis
irritants
- air pollution
- tobacco smoke
- perfumes
- dust chemicals
- strong odours
- vapours
- gases
- aerosols
- wood smoke
sudden changes in either temperature or humidity, especially exposure to cold air
allergens, for people with allergies
- pollens
- dust
- mold
- food
  - fish
  - eggs
  - milk products
  - citrus fruits
  - additives
  - mono sodium glutamate (MSG)
  - sulphites
  - yellow dye no. 5
emotional upsets,
- fear
- anxiety
- anger
- crying/laughing
stress
- moving home
- changing jobs
- changing schools
exercise
sleeping