What factors contribute to exercise-induced bronchoconstriction (EIB) symptoms?

Updated: Jan 07, 2019
  • Author: Michael J Morris, MD, FACP, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

Factors that contribute to exercise-induced bronchoconstriction symptoms (in both persons with asthma and athletes) include the following:

  • Exposure to cold or dry air

  • Environmental pollutants (eg, sulfur, ozone)

  • level of bronchial hyperreactivity

  • Chronicity of asthma and symptomatic control

  • Duration and intensity of exercise

  • Allergen exposure in atopic individuals

  • Coexisting respiratory infection


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