Pethidine
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Also known as pethidine, meperidine
A phenylpiperidine opioid first synthesised by Otto Eisleb in 1939, better known by the names meperidine and pethidine. An analgesic, once widely prescribed it has since declined in usage due to the discovery of a toxic metabolite - norpethidine. Also reacts dangerously with many drugs.
Oral
Route dataTripSit
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| — | 50–100 mg | 100–200 mg | 200–400 mg | —+ |
0400 mg
LightCommonStrongHeavy
| Onset | 30–60 minutes |
|---|---|
| Total | 4–6 hours |
| After-effects | 2–10 hours |
OnsetCome-upPeakOffset
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Source: TripSit — Pethidine ↗
Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.