Agonist/Antagonist Opioid Analgesics. When a individual has Beforehand obtained or is presently undergoing a course of therapy with a pure opioid agonist analgesic like Dilaudid, agonist/antagonist analgesics like pentazocine, nalbuphine, butorphanol, and buprenorphine, really should be used with caution.Collaborate with interprofessional healthc