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Hallucinogens are among the oldest known group of drugs used for their ability to alter human perception and mood. For centuries, many of the naturally occurring hallucinogens found in plants and fungi have been used for a variety of shamanistic practices. In more recent years, a number of synthetic hallucinogens have been produced, some of which are much more potent than their naturally occurring counterparts.
Drug NameStreet NamesChemicalClassificationForms
LSD LSD, Acid, Microdot, White lightning, Blue heaven, and Sugar Cubes, Orange Sunshine(obs.), Purple Haze(obs.)
(lysergic acid diethylamide)
synthetic hallucinogen Colored tablets, blotter paper, clear liquid, thin squares of gelatin
Mescaline Mesc, Buttons, and Cactus 3,4,5-Trimethoxybenzeneethanamine natural or synthesized hallucinogen Hard brown discs (cacti), tablets, capsules
Psilocybin Magic Mushrooms, 'shrooms 3-[2-(Dimethylamino)ethyl]-1H-indol-4-ol dihydrogen phosphate ester natural hallucinogen Fresh or dried mushrooms
DMT Trips N,N-Dimethyl-1H-indole-3-ethanamine natural or synthesized hallucinogen various plant leaves and seeds, powder

Physiological Effects:

Sensory effects include perceptual distortions that vary with dose, setting, and mood.

Psychic effects include disorders of thought associated with time and space. Time may appear to stand still and forms and colors seem to change and take on new significance.

It needs to be stressed that the effects of hallucinogens are unpredictable each time they are used. Weeks or even months after some hallucinogens have been taken and all traces of the drug have left a user's system, the user may experience flashbacks--fragmentary recurrences of certain aspects of the drug experience in the absence of actually taking the drug. Although these flashbacks have been the focus of many studies their occurrences remain unpredictable.


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Last Updated: 5/20/14