Cannabis-induced psychosis masquerading schizophrenia or vice-versa? A diagnostic dilemma
Rachit Sharma, Ayushma Shah
Industrial Psychiatry Journal October 1, 2021 DOI: 10.4103/0972-6748.328842 (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Case study Case report Peer reviewed |
|---|---|
| Sample size | 1 |
| Population | A person with Cannabis Dependence Syndrome presenting with first-rank symptoms of schizophrenia |
| Topics | Cannabis |
| Key findings | The authors present a case in which a person with Cannabis Dependence Syndrome first presented with first-rank symptoms of schizophrenia, namely thought insertion, thought withdrawal, and delusion of control, highlighting the overlapping clinical features between schizophrenia and cannabis-induced psychosis. |
Abstract
Clinical features of schizophrenia and cannabis-induced psychosis (CIP) share many overlapping characteristics. We present a case of Cannabis Dependence Syndrome, whose first presentation was with first-rank symptoms of schizophrenia in the form of thought insertion, withdrawal and delusion of control.
Comparable studies
Other case reports and case series on cannabis, most cited first.
| Study | Year | Design | Participants |
|---|---|---|---|
| Psychotic Reactions Following Cannabis Use in East Indians Patients at an Indian drug addiction clinic who developed acute cannabis-related psychosis | 1974 | Descriptive report (case series of clinical observations) | n = 200 |
| 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 |
Citations in the library
Cites 3
- Association Between Continued Cannabis Use and Risk of Relapse in First-Episode Psychosis JAMA Psychiatry September 28, 2016
- Cannabis and Psychosis Through the Lens of DSM-5 International Journal of Environmental Research and Public Health October 28, 2019
- Cannabis Use in Psychiatrie Patients. Medical journal, Armed Forces India February 2005