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LSD vs PCP

A side-by-side research comparison of LSD and PCP across mechanism, dosing, half-life, benefits, side effects and research status.

Comparison table

AttributeLSDPCP
Full nameLysergic acid diethylamidePhencyclidine (angel dust)
CategoryPsychedelicsPsychedelics
StatusSchedule I (research compound)Schedule II (research compound)
MechanismActivates serotonin 5-HT2A receptors (and others), changing perception, mood and the way brain networks communicate. Effects last much longer than most psychedelics.Blocks NMDA glutamate receptors and affects dopamine, producing dissociation, numbness and detachment.
Molecular weight323.43 g/mol243.39 g/mol
Half-life~3-5 hoursLong
BioavailabilityOralOral
Typical dose100-200 mcg in clinical trialsVaries by individual and setting
FrequencyOne to a few supervised sessionsOccasional
RouteOral, in a supervised therapeutic settingOral

LSD reported benefits

  • Studied for anxiety in serious illness
  • Explored for depression and addiction
  • Long duration allows deep therapeutic work
  • Renewed clinical research interest

PCP reported benefits

  • Historic anesthetic research
  • Reference dissociative
  • Included for awareness

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Research and educational reference only. Not medical advice.