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Asthma triggers

An asthma trigger is anything that irritates your airways and sets off your asthma symptoms

  • Understanding asthma triggers
  • Colds and flu
  • Coronavirus (COVID-19)
  • Weather
  • Alcohol
  • Animals and pets
  • Chest infections
  • Emotions
  • Exercise
  • Food
  • Female hormones
  • Dust mites
  • Indoor environment
  • Mould and damp
  • Pollen
  • Pollution
  • Recreational drugs
  • Sex
  • Cigarette smoke
  • Stress and anxiety
  • Winter asthma triggers
A selection of asthma triggers

Asthma triggers

Everyone with asthma has their personal mix of triggers – you can have one or more.

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The Asthma UK and British Lung Foundation Partnership is a company limited by guarantee 01863614 (England and Wales). VAT number 648 8121 18.
Registered charity in England and Wales (326730), Scotland (SC038415) and the Isle of Man (1177). Registered office: 18 Mansell Street, London, E1 8AA.

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