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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.
benzonatate/ben·zo·na·tate/ (ben-zo´nah-tāt) an antitussive that reduces the cough reflex by anesthetizing the stretch receptors in the respiratory passages, lungs, and pleura.
a nonopiate antitussive.
indication It is prescribed to suppress the cough reflex.
contraindication Known hypersensitivity to this drug prohibits its use.
adverse effects Hypersensitivity reactions, such as bronchospasm, laryngospasm, and cardiovascular collapse, may occur and may be serious. Vertigo, sedation, headache, and constipation may sometimes occur.
Antitussive related chemically to tetracaine.
a non-narcotic antitussive drug that depresses cough without affecting respiration.