Kreamer Resource Center for Families MH Hallucinogens (LSD, peyote, psilocybin, PCP, DXM)
Kreamer Resource Center for Families MH Hallucinogens  (LSD, peyote, psilocybin, PCP, DXM)

Hallucinogens (LSD, Peyote, Psilocybin, PCP, DXM)

NIDA InfoFacts: Hallucinogens (also in Spanish)

Mind Over Matter: Hallucinogens (also in Spanish)

Sara's Quest: Hallucinogens (quiz)

LSD (lysergic acid diethylamide) is a very strong hallucinogen. Only tiny amounts are needed to cause effects, such as hallucinations. Other commonly abused hallucinogens include:

  •  Psilocybin (mushrooms, "shrooms")
  • Peyote (a cactus plant containing the active ingredient mescaline)

LSD use may cause:

  • Anxiety
  • Blurred vision
  • Dilated pupils
  • Seeing things that aren't there (hallucinations)
  • Paranoid delusions
  • Tremors

Hallucinogens can lead to extreme anxiety and lack of reality, called "bad trips". These experiences can come back as a "flashback," even without using the drug again. Such experiences typically occur during times of increased stress, and tend to occur less often and intensely after stopping the drugs.
[Source: MedlinePlus Encyclopedia]

LSD / Acid (NIDA)

Drug Guide: LSD

Drug Guide: Mushrooms (Psilocybin)

PHENCYCLIDINE (PCP, "angel dust")
PCP is an illegal drug that comes as a white powder, which can be dissolved in alcohol or water. PCP may be smoked, shot into a vein, or taken by mouth. How quickly it affects you depends on how you take it.

  • Shooting up: If given through a vein, PCP's effects start within 2-5 minutes.
  • Smoked: The effects begin within 2 - 5 minutes, peaking at 15 - 30 minutes.
  • Taken by mouth: In pill form, or mixed with food or drinks, PCP's effects usually start within 30 minutes. The effects tend to peak in about 2 - 5 hours.

Different doses of PCP will cause different effects:

  • Lower doses of PCP typically produce feelings of joy (euphoria) and less inhibition, similar to being drunk.
  • Higher doses cause numbness throughout the body, and perception changes that may lead to extreme anxiety and violence.
  • Large doses may produce paranoia, "hearing voices" (auditory hallucinations), and psychosis similar to schizophrenia.
  • Massive doses, usually from taking the drug by mouth, may cause acute kidney failure, heart arrhythmias, muscle rigidity, seizures, and even death.

Because of the pain-killing (analgesic) properties of PCP, users who get seriously injured may not feel any pain.
[Source: MedlinePlus Encyclopedia]

MedlinePlus Encyclopedia: Phencyclidine Overdose (PCP, English and Spanish)

Drug Guide: Peyote

Drug Guide: DXM (

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updated 10-31-2011

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