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Phencyclidine or phenylcyclohexyl piperidine (PCP), also known in its use as a street drug as angel dust among other names, is a dissociative anesthetic mainly used recreationally for its significant mind-altering effects. [1] [4] PCP may cause hallucinations, distorted perceptions of sounds, and violent behavior.
Hallucinogen persisting perception disorder (HPPD) is a non-psychotic disorder in which a person experiences apparent lasting or persistent visual hallucinations or perceptual distortions after using drugs, [1] including but not limited to psychedelics, dissociatives, entactogens, tetrahydrocannabinol (THC), and SSRIs.
PCP itself is composed of three six-membered rings, which can each be substituted by a variety of groups. These are traditionally numbered in the older research as first the cyclohexyl ring, then the phenyl , and finally the piperidine ring, with the different rings represented by prime notation (') next to the number.
The second plateau (2.5 to 7.5 mg/kg) causes intense euphoria, vivid imagination, and closed-eye hallucinations. The third and fourth plateaus (7.5 mg/kg and over) cause profound alterations in consciousness, and users often report out-of-body experiences or temporary psychosis.
Some patients found the hallucinations euphoric while others found them disturbing. At sub-anesthetic doses, dissociatives alter many of the same cognitive and perceptual processes affected by other hallucinogenic drugs such as mescaline , LSD , and psilocybin ; hence they are often contrasted and also considered hallucinogenic .
Stimulant psychosis is a mental disorder characterized by psychotic symptoms (such as hallucinations, paranoid ideation, delusions, disorganized thinking, grossly disorganized behaviour). It involves and typically occurs following an overdose or several day binge on psychostimulants , [ 1 ] although it can occur in the course of stimulant ...
The toxic berry of Atropa belladonna which contains the tropane deliriants scopolamine, atropine, and hyoscyamine.. Deliriants are a subclass of hallucinogen.The term was coined in the early 1980s to distinguish these drugs from psychedelics such as LSD and dissociatives such as ketamine, due to their primary effect of causing delirium, as opposed to the more lucid (i.e. rational thought is ...
Psychosis manifests as disorientation, visual hallucinations and/or haptic hallucinations. [2] It is a state in which a person's mental capacity to recognize reality, communicate, and relate to others is impaired, thus interfering with the capacity to deal with life's demands. [3]