Which drug is used in the maintenance phase of opioid withdrawal?
Options
Buprenorphine
Disulfiram
Butorphanol
Clonidine
Correct Answer
Buprenorphine
Explanation
Buprenorphine, a partial μ-opioid receptor agonist, is used for maintenance therapy in opioid dependence. It has a ceiling effect for respiratory depression and lower abuse potential compared to methadone.