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Prophylactic salbutamol use for pediatric exercise-induced bronchoconstriction.

Connor L Flynn, Wallace B Wee, Ran D Goldman

    Canadian Family Physician Medecin De Famille Canadien
    |November 24, 2025
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    Salbutamol is safe and effective for preventing exercise-induced bronchoconstriction (EIB) in children when taken before physical activity. To maintain effectiveness, use salbutamol less than once daily to avoid tolerance.

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    Area of Science:

    • Pediatric Pulmonology
    • Exercise Physiology

    Background:

    • Exercise-induced bronchoconstriction (EIB) presents as shortness of breath and wheezing during physical activity.
    • Parents inquired about the use of salbutamol for EIB prevention in children, similar to adult protocols.

    Purpose of the Study:

    • To determine the safety and efficacy of salbutamol for preventing EIB in pediatric patients.
    • To evaluate the appropriate timing and frequency of salbutamol administration for EIB in children.

    Main Methods:

    • Review of pediatric studies on salbutamol use for EIB prevention.
    • Analysis of safety and effectiveness data from clinical trials involving children.

    Main Results:

    • Salbutamol is demonstrated to be safe and effective in preventing EIB when administered 15-30 minutes prior to exercise in pediatric populations.
    • Frequent use of salbutamol can lead to decreased effectiveness due to tolerance development.

    Conclusions:

    • Pre-exercise salbutamol administration is a viable strategy for managing EIB in children, promoting physical activity.
    • To preserve efficacy, salbutamol use should be limited to less than once daily; alternative therapies should be considered for more frequent needs.