Isomethadone
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Once a pharmaceutical drug also known as isoamidone, this opioid analgesic and methadone analogue was withdrawn from the market and is seldom seen today. Rarely abused, though reports state it is around twice as potent as methadone, and more euphoric.
Oral
Route dataTripSit
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| — | 1.5–2.5 mg | 2.5–7.5 mg | 7.5–15 mg | —+ |
015 mg
LightCommonStrongHeavy
| Onset | 30–90 minutes |
|---|---|
| Total | 30–40 hours |
| After-effects | 1–24 hours |
OnsetCome-upPeakOffset
Plan when to take Isomethadone — see where onset, peak and comedown land on the clock
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Source: TripSit — Isomethadone ↗
Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.