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PCP
Effects
by Erowid
DURATION #
Caution :   Reactions and experiences may vary dramatically from person to person. [see below]
PCP Duration
Smoked
Total Duration
4 - 6 hrs
Onset
2 - 20 mins
Coming Up
30 - 60 mins
Plateau
2 - 3 hrs
Coming Down
1 - 2 hrs
 
 
After Effects
24 + hrs
Hangover / Day After
- - -
 
EFFECTS LIST #
POSITIVE
  • Increase in energy
  • Euphoria
  • Pleasant mental and/or body high
  • Disconnected thoughts
  • Sense of calm
  • Increased sociability, loss of inhibitions
  • Closed- and open-eye visuals
  • Shifts in perception of reality
NEUTRAL
  • Increased salivation
  • Change in body temperature regulation, sweating
  • Increased heart rate (lower doses)
  • Altered time perception
  • Disrupted speech patterns
  • Analgesia (decreased pain awareness) and numbness
  • Feelings of invulnerability
  • Distorted sensory perceptions, hallucinations
  • Unusual and unpredictable behavior
  • Mild to moderate dissociation (common)
  • Confusion, disorientation (common)
  • Nystagmus (rhythmic eye movement)
NEGATIVE
  • Disturbing hallucinations and/or delusions
  • Severe anxiety, paranoia
  • Severe dissociation, depersonalization
  • Ataxia (loss of motor coordination)
  • Severe confusion, disorganized thinking
  • Psychotic episodes 1
  • Physical aggression
  • Nausea, vomiting
  • Temporary amnesia
  • Severe distortion or loss of auditory/visual perception
  • Decreased heart rate, blood pressure, and respiration (high doses)
  • Seizures (high doses)
  • Hangover including dizziness, numbness and lethargy; may last 24 hours or more
  • Coma (high doses, increased risk when combined with depressants)
  • Possible neurotoxicity (controversial) 2
DESCRIPTION #
Many users report feelings of dissociation, perceptual alterations and loss of coordination after using the drug. Intense hallucinations and delusions as well as a loss of physical control and coordination are also commonly experienced. PCP has been known to induce seizures, coma and even death, especially at high doses, and there is some evidence to indicate that, whilst not physically addictive, it can lead to psychological dependency and drug-seeking behaviour.

Long-term use has been known to lead to schizophrenia-like psychotic episodes, severe lasting memory loss, disorganised thinking, depression, weight loss, liver abnormalities and rhabomyolysis (skeletal muscle breakdown).

CAUTION & DISCLAIMER #
Erowid's effects information is a summary of data gathered from users, research, and other resources. This information is intended to describe the range of effects people report experiencing. Effects may vary dramatically from one person to another or one experience to another based on a variety of factors such as body chemistry, age, gender, physical health, dose, form of material, etc.

REFERENCES #
  1. Steinpresis RE. "The behavioral and neurochemical effects of phenyclidine [...]". Behav Brain Res. Jan 1996;74(1-2):45-55.
  2. Olney JW, Labruyere J, Price MT. "Pathological changes induced in cerebrocortical neurons by phencyclidine [...]". Science. Jan 12, 1990;247(4939):221.
  3. Various. "Erowid Experience Reports: 15402, 14314, 10006, 9788, 26772, 8273, 2852, 1513, 2643, 1334, 17506, 37757, 5976, 15442, 42094". Erowid.org. 2000-2007.