Mechanism of Action of Benzonatate
Introduction Benzonatate is a non-narcotic antitussive (cough suppressant) commonly prescribed for symptomatic relief of acute cough in respiratory infections such as bronchitis, pneumonia, and influenza. Structurally related to ester-type local anesthetics like tetracaine, benzonatate works by numbing stretch receptors in the respiratory tract and reducing cough reflex sensitivity. Its unique mechanism provides cough relief without … Read more