Codeine

Common Names: Methylmorphine, Papaver, Members

Psychoactive Effects

Positive Effects

  • Euphoria
  • Happiness

Neutral Effects

  • Euphoria
  • Pain relief
  • Sedation
  • Respiratory depression
  • Constipation
  • Pupil constriction

Negative Effects

  • Anxiety
  • Depression

Dosage Guidelines

Route Threshold Light Common Strong Heavy
Oral 15-30 mg 30-60 mg 60-120 mg 120-180 mg 180+ mg

Duration

Phase Duration
Onset 30-60 minutes
Peak 1-2 hours
Total 4-6 hours
After effects 6-12 hours

Pharmacology

Mechanism of Action: GABA receptor modulator

Risks and Harm Reduction

DependenceToxicityWithdrawalAddictionOverdose

⚠️ Important: Always practice harm reduction. Start with low doses, test your substances, and ensure a safe set and setting. Never use alone.

Legal Status

Disclaimer: Legal status varies by jurisdiction and may change. This information is for educational purposes only.

References

  • • Pasternak, G. W. (2014). Opioids and their receptors: are we there yet? Neuropharmacology, 76, 198-203.
  • • Gasche, Y., et al. (2004). Codeine intoxication associated with ultrarapid CYP2D6 metabolism. New England Journal of Medicine, 351(27), 2827-2831.
  • • Information compiled from PsychonautWiki