← Back to all substances
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.
Dosage
Oral
Common: 100-200mg
Light: 50-100mg
Strong: 200-400mg+
Duration
Onset: 30-60 minutes
Duration: 4-6 hours
After effects: 2-10 hours
Timeline
Onset
30-60 minutes
Peak
4-6 hours
After
2-10 hours
08.5h17h
Typical
Extended range
Effects
EuphoriaDry MouthMood liftItchinessRelaxantConstipationPupil constrictionAnalgesia
Avoid
All other CNS depressants.
External Links
Related Substances
Structure © Wikimedia