Category: Pharmacology

Scopolamine mechanism of action in a nutshell: Scopolamine inhibits signals originating from the vestibular system before they reach the vomiting center by blocking activity of muscarinic receptors. In motion sickness, a sensory mismatch occurs due to a disconnect between visual, vestibular (balance), and proprioceptive (muscle) inputs received by the brain. This discrepancy is interpreted as…