benzonatate(redirected from Tesalon)
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an antitussive that depresses cough without affecting respiration, by anesthetizing stretch receptors in the respiratory passages, lungs, and pleura. It is administered orally in capsule or tablet form, but should not be chewed or dissolved in the mouth because the local anesthetic action may cause numbness of the oral mucosa.
An antitussive agent related chemically to tetracaine; thought to act by depressing mechanoreceptors in the lungs.
Antitussive related chemically to tetracaine.