Antitussive opioid is ?
Ans. is 'a' i.e., Ethylmorphine Antitussives (cough center suppressants) Opioids : Codeine, ethylmorphine, pholcodeine. Non-opioids : Noscapine, dextro methorphan, chlophedianol. Antihistaminics : Chlorpheniramine, diphenhydromine, promethazine. Peripherally active : Prenoxdiazine.
Ethylmorphin
Pethidine
Methadone
Buprenorphine