Understanding Exercise-induced Bronchoconstriction

Narrowing of airways during or after exercise, causing difficulty in breathing.
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Respiratory Health | Asthma | Exercise | Breathing Techniques | Exercise-induced Asthma | EIB Symptoms | Managing EIB | Asthma And Exercise
Prepared by Lee Cheng, reviewed by Dr. Helena Rodriguez

Exercise-induced Bronchoconstriction FAQ


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What is exercise induced bronchoconstriction?

It causes shortness of breath, wheezing, coughing, and other symptoms during or after exercise. The medical term for this condition is exercise-induced bronchoconstriction (brong-koh-kun-STRIK-shun). Many people with asthma have exercise-induced bronchoconstriction.

Does exercise cause bronchoconstriction?

Exercise-induced bronchoconstriction ( EIB) occurs when the airways narrow as a result of exercise. This condition has been referred to as exercise-induced asthma ( EIA ); however, this term is no longer preferred. While exercise does not cause asthma, it is frequently an asthma trigger.

What is exercise-induced bronchoconstriction (EIB)?

Exercise-induced bronchoconstriction (EIB) occurs during physical exertion and involves a narrowing of the airway. EIB occurs in 40% to 90% of people with asthma and up to 20% of those without asthma. The benefits of regular exercise for all people are well established, and activity is an integral part of a healthy lifestyle.

What is exercise-induced bronchoconstriction (Brong-Koh-Kun-Strik-Shun)?

The medical term for this condition is exercise-induced bronchoconstriction (brong-koh-kun-STRIK-shun). Many people with asthma have exercise-induced bronchoconstriction. But people without asthma also can have it. Most people with exercise-induced bronchoconstriction can continue to exercise and remain active if they treat symptoms.

Is exercise induced bronchoconstriction a risk factor for asthma?

In fact, there is some speculation that decreased physical activity is a risk factor for asthma, and that exercise may be helpful in preventing the onset of asthma in children [ 2 ]. Thus, the term exercise-induced bronchoconstriction (EIB) is a more accurate reflection of the underlying pathophysiology and is generally preferred.

Exercise-induced Bronchoconstriction References

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