Combined Agonist/Antagonist and Partial Agonist Opioid Analgesics The concomitant utilization of opioids with other opioid analgesics, like butorphanol, nalbuphine, pentazocine, may well decrease the analgesic effect of oxycodone and acetaminophen tablets and/or precipitate withdrawal symptoms. Suggest affected individual to prevent concomitant useā€¦ Read More