Why do patients with psychosis use cannabis and are they ready to change their use?

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51 Citations (Scopus)

Abstract

Numerous studies have shown that patients with psychosis are more likely to use illicit drugs than the general population, with cannabis being the most popular. There exists overwhelming evidence that cannabis use can contribute to the onset of schizophrenia and poor outcome in patients with established psychosis. Therefore, understanding why patients use cannabis and whether they are motivated to change their habits is important. The evidence is that patients with psychosis use cannabis for the same reasons the general population does, to 'get high', relax and have fun. There is little support for the 'self-medication' hypothesis, while the literature points more towards an 'alleviation of dysphoria' model. There is a lack of research reporting on whether psychotic patients are ready to change their use of cannabis, which has obvious implications for identifying which treatment strategies are likely to be effective.
Original languageEnglish
Pages (from-to)335-346
Number of pages12
JournalInternational Journal of Developmental Neuroscience
Volume29
Issue number3
DOIs
Publication statusPublished - May 2011

Keywords

  • Cannabis
  • Comorbidity
  • Humans
  • Marijuana Abuse
  • Models, Theoretical
  • Psychoses, Substance-Induced
  • Psychotic Disorders
  • Risk Factors
  • Schizophrenia
  • Self Medication
  • Self Report

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