Stretch receptor anesthetic
Pulmonary stretch receptor anesthetic
- Suppresses the cough reflex
- Anesthetizes pulmonary stretch receptors
- A non-opioid antitussive
- Oropharyngeal anesthesia on mucosal contact
- Can be fatal in overdose
Drugs with this mechanism (1)
- Benzonatate — Peripheral antitussive; local-anesthetic ester, dangerous if chewed or overdosed.
Self-check
- What occurs when the antitussive contacts oropharyngeal mucosa?
Oropharyngeal anesthesia. - Can overdose be fatal?
Yes.
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