Pharmacology Opioids ea1f2735 An opioid which is an anti tussive action is? A Dextromethorphan B Oxeladin C Codeine D Narcotine High-Yield Explanation ANSWER: (C) Codeine REF: KDT 5th ed p. 197ANTITUSSIVESOpioidsNon opioidsCodeinePholocodieneNoscapine or narcotineDextrpmethorphanOxeladin chlorphdianol