system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Antitussive opioid is ?
assistant
The correct answer 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.