Home
    DiscordDisclaimer

    Pentazocine

    Aliases: talwin

    Categories

    habit-forming depressant opioid

    Pentazocine structure

    Summary

    A synthetic opioid used as an analgesic. It is only used IM and IV in the medical field and has respiratory depressant effects. It is pregnancy category C and schedule IV in the US.

    ⚠️ WARNING: When mixed with a barbituate in a syringe it will crystallize which can be fatal. ⚠️ AVOID: All other CNS depressants

    Dose Information

    Onset, Duration & After-effects

    • Onset:
      • Intramuscular: 15-20 minutes
      • Intravenous: 2-3 minutes
    • Duration:
      • Intramuscular: 2-3 hours
      • Intravenous: 2-3 hours
    • After-effects: 1-12 hours

    Studies