All are used in heroin poisoning EXCEPT
High-Yield Explanation
Ans. is 'd' i.e Haloperidol Niraj Ahuja gives a list of the following drug used in opium toxicity -Naloxone, Naltrexone]MethadoneClonidineLAAM (levo-alpha-acetyl methadol)PropoxypheneD' PhenoxylateBuprenorphineLofexidineThis leaves us with haloperidel & Pentazocine.I could not find which of them is used but my reason and intuition says to go with pentazocine.Pentazocine must have some use in heroin poisoning. Pentazocine is an opioid and if methadone, another opioid, can be used, so can pentazocine.