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A hallucinogen is any drug that drastically alters the user's mental state and view of what's real. Hallucinogens may cause users to see or hear things that do not exist, feel that their bodies are changing, or experience time and motion in unreal ways. Such drug experiences are called “tripping.” Tripping can last for hours, causing one to feel good in one moment and really bad in the next.

Common hallucinogens are LSD (acid), magic mushrooms, PCP, ecstasy, and marijuana. Each type of drug may cause a different reaction depending on the strength, quantity, and physiology of the individual at the time the drug is taken. It may even affect the same person differently each time the same drug is taken. All hallucinogens have harmful, long-term effects.


  • Lysergic acid diethylamide: LSD, acid, blotter
  • Psilocybin: magic mushrooms, shrooms
  • Phencyclidine: PCP, angel dust, blat, ozone wack

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