Blended Agonist/Antagonist and Partial Agonist Opioid Analgesics The concomitant use of opioids with other opioid analgesics, for instance butorphanol, nalbuphine, pentazocine, might lessen the analgesic outcome of oxycodone and acetaminophen tablets and/or precipitate withdrawal indicators. Suggest client in order to avoid concomitant use of these