Forensic Medicine The drug which is used for long-term maintenance in opioid addiction: AIIMS 06; Punjab 09; AI 11 A Nalorphine B Naloxone C Butarphanol D Methadone 💡 Explanation The drug which is used for long-term maintenance in opioid addiction: AIIMS 06; Punjab 09; AI 11 ✓ Correct Answer: D. Methadone