Salbutamol · Medicine question

How does salbutamol open the airways?

iatroX medicinesPublished 8 November 2026

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Salbutamol opens the airways by selectively stimulating β2-adrenoceptors in bronchial muscle, with little or no effect on cardiac β1-adrenoceptors at therapeutic doses.

Sources for this answer

Ventolin AccuhalerGlaxoSmithKline UK · emc · SmPC §5.1 Pharmacodynamic properties · Version 20Document updated 16 September 2026

Sources checked 8 November 2026

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