Pethidine

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.

Harm potential

extremely addictive with a high potential for abuse

Dosage

This dosage information is gathered from users and resources for educational purposes only. It is not a recommendation and should be verified with other sources for accuracy.

Duration

Effects

• euphoria
• dry mouth
• elevated mood
• itchiness
• feeling of relaxation
• constipation
• pupil constriction
• pain relief

Interactions

Tolerance

full

develops with prolonged and repeated use

half

3 - 7 days

zero

1 - 2 weeks