Answer
Guaifenesin in Benylin Chesty Coughs (Non-Drowsy) is thought to stimulate gastric mucosal receptors, reflexly increasing fluid flow from respiratory tract glands and thereby increasing the volume and decreasing the viscosity of bronchial secretions.
Sources for this answer
- Benylin Chesty Coughs (Non-Drowsy)McNeil Products Ltd · emc · SmPC §5.1 Pharmacodynamic properties · Version 19Document updated
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