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Also known as odt, o-smt, o-dsmt

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.

Oral

Route dataTripSit

ThresholdLightCommonStrongHeavy
10–25 mg25–50 mg50–100 mg—+
0100 mg
LightCommonStrongHeavy
Total3–6 hours
After-effects1–8 hours
Plan when to take O-Desmethyltramadol — see where onset, peak and comedown land on the clock

Source: TripSit — O-Desmethyltramadol ↗

Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.