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    O-Desmethyltramadol

    Aliases: odt, o-smt, o-dsmt

    Categories

    opioid research-chemical habit-forming tentative depressant

    Summary

    A opioid analgesic which is the main active metabolite of Tramadol. Alone, it is a few times more potent than Tramadol and has additional affinity for δ and κ-opioid receptors. Has proven popular when sold, but these occasions have been rare due to patent rights.

    ⚠️ AVOID: All other CNS depressants.
    ⚠️ Insufflation considered extremely painful.

    Dose Information

    Onset, Duration & After-effects

    • Onset:
      • Insufflated: 20 minutes
      • Oral: 20-40 minutes
    • Duration: 3-6 hours
    • After-effects: 1-8 hours

    Effects