Psychotic Reactions Following Cannabis Use in East Indians
Archives of General Psychiatry 1974 DOI: 10.1001/archpsyc.1974.01760070014002 (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Descriptive report (case series of clinical observations) Case report Peer reviewed |
|---|---|
| Sample size | 200 |
| Population | Patients at an Indian drug addiction clinic who developed acute cannabis-related psychosis |
| Intervention | Cannabis preparations |
| Topics | Cannabis |
| Citations | 193 |
| Key findings | Among 200 patients with acute cannabis psychosis, 45% had no previous psychopathology and most fully recovered; those with severe preexisting pathology sometimes had a less favorable course with schizophrenic and paranoid symptoms. Cannabis potency and dosage schedule, and younger age, were generally related to psychosis occurrence, and 16% developed symptoms from low-potency drug, especially the least stable patients. |
Abstract
In a descriptive report of observations carried out in an Indian drug addiction clinic, 200 patients with a characteristic, transient, and acute drug psychosis were observed following the use of cannabis preparations. Of the patients, 45% had no previous psychopathology. Most patients fully recovered. Among those with the most severe preexisting pathology some patients had a less favorable course; drug psychoses in this group occasionally were dominated by schizophrenic and paranoid symptoms. Potency and dosage schedule of cannabis, as well as a younger age, were generally related to occurrence of a toxic psychosis. In 16%, and especially among the least stable patients, low potency drug produced symptoms. There were some relationships between purpose of drug consumption, emotional stability, and demographic variables; for the emotionally stable, "sociability" was a dominant motive. There was no direct association with criminal activity.
Comparable studies
Other case reports and case series on cannabis, most cited first.
| Study | Year | Design | Participants |
|---|---|---|---|
| Psychiatric effects of cannabis use Swedish cases of cannabis psychosis | 1985 | Case series | n = 70 |
| Forty-Six Cases of Psychosis in Cannabis Abusers Gunila Bernhardson Habitual cannabis users treated for psychosis at Swedish psychiatric clinics and mental... | 1972 | Case series (retrospective survey of psychiatric records) | n = 46 |
| Hallucinogen persisting perception disorder after psilocybin consumption: a case study 18-year-old man with HPPD after mixed psilocybin and cannabis intoxication | 2005 | Case study | n = 1 |
| Cannabis‐induced Koro in Americans American men aged 22-26 with years of cannabis experience who reported negative... | 2001 | Case series | n = 3 |
| “Hallucinations” Following Acute Cannabis Dosing: A Case Report and Comparison to Other Hallucinogenic Drugs Healthy 30-year-old male | 2018 | Case study | n = 1 |
Citations in the library
Cited by 56
- Psychiatric effects of cannabis The British Journal of Psychiatry February 1, 2001
- Gone to Pot – A Review of the Association between Cannabis and Psychosis Frontiers in Psychiatry May 22, 2014
- Cannabis-induced psychosis and subsequent schizophrenia-spectrum disorders: follow-up study of 535 incident cases The British Journal of Psychiatry November 30, 2005
- Cannabis use and psychotic disorders: an update Drug and Alcohol Review November 30, 2004
- New Perspectives in the Studies on Endocannabinoid and Cannabis: Cannabinoid Receptors and Schizophrenia Journal of Pharmacological Sciences 2004
and 51 more in the library