Answer
Combivent widens the airways through ipratropium bromide blocking acetylcholine-mediated effects and salbutamol stimulating beta2 receptors to relax airway smooth muscle, producing greater bronchodilation together than either agent alone.
Sources for this answer
- Combivent UDVsBoehringer Ingelheim Limited · emc · SmPC §5.1 Pharmacodynamic properties · Version 23Document updated
Sources checked