Drug Induced Psychosis

Poole, Rob; Brabbins, Clare

doi:10.1192/bjp.168.2.135

Cited by 71 publications

(38 citation statements)

References 27 publications

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“…5 Our interpretation of our findings, together with similar studies, would tend to support these assertions. It was also predicted that, despite these problems, the diagnosis was likely to continue to be used.…”

Section: Limitationssupporting

confidence: 68%

“…[1][2][3] This has revived interest in the nature of the conditions that attract the clinical diagnosis of druginduced psychosis. 4 The concept of drug-induced psychosis has been criticised 5 and it remains unclear whether the diagnosis reflects a valid diagnostic category or whether it is based on arbitrary assumptions regarding the causation of symptoms. A systematic review concluded that the inference of causation is not secure and that the condition Aims and method To assess the stability of the diagnosis of first-episode druginduced psychosis over a follow-up period of at least 2 years.…”

mentioning

confidence: 99%

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Stability of the diagnosis of first-episode drug-induced psychosis

2011

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Section: Limitationssupporting

confidence: 68%

mentioning

confidence: 99%

Stability of the diagnosis of first-episode drug-induced psychosis

2011

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“…However, the scientific debate about amphetamine-induced psychosis is ongoing, and it remains unclear whether the use of amphetamine-like substances can actually cause a psychotic disorder in an otherwise healthy individual, or whether it triggers the onset of schizophrenia in an individual with high vulnerability to the disease (Phillips & Johnson, 2001;Poole & Brabbins, 1996). Increased drug use among psychotic patients may also result from their attempt to counteract nonspecific physical symptoms or side effects of neuroleptics (Mueser, Drake & Wallach, 1998).…”

Section: Khat and Psychosis: Theoretical Backgroundmentioning

confidence: 99%

Chronic khat use and psychotic disorders: A review of the literature and future prospects

Odenwald¹

2007

SUCHT

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Aims: In recent decades, the traditional habit of chewing the khat leaves, which contain the amphetamine-like cathinone, has undergone profound changes in African and Arab countries, from a socially regulated use pattern to uncontrolled consumption. This is of special public mental-health concern. In this article, a review of the scientific literature on the relationship between khat use and psychosis is provided. Results: Several case studies, but only a few group and community-based studies, have addressed this topic. The studies show inconsistent results, have methodological problems, and fail to report quantitative results. Many important questions remain unaddressed. Conclusions: The frequently stated association between khat use and psychosis contrasts with the small number of sound studies. Currently, only a few conclusions can be drawn, that excessive khat use can cause brief psychotic disorders and that people with a preexisting vulnerability should be discouraged to use it. The direction of causality between general psychopathology and khat use remains unclear. This review confirms the need for quantitative, controlled, and longitudinal studies,

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“…However, some commonly reported views did not appear to be based on scientific knowledge: for example, most felt that 'drug-induced psychosis' was a valid diagnosis despite a lack of empirical evidence to support the utility of this construct. 8 It is also worth noting that the prognostic factors given most weight by participants were those related to service user's behaviour ('substance misuse' and 'concordance'). However, remarkably few inter-group differences in the views relating to firstepisode psychosis between adult and child psychiatrists were elicited, despite working in markedly different subspecialties.…”

Section: Discussionmentioning

confidence: 99%

Attitudes and practice in relation to first-episode psychosis: a survey of child and adult psychiatrists

Tiffin¹,

Gasparyan

2009

Psychiatr. bull.

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Aims and MethodEarly intervention in psychosis services serving the 14–35 age range often receive input from psychiatrists from both child and adolescent as well as adult mental health services. Differences in staff attitudes or practices could potentially affect the experience of care that an individual with first-episode psychosis receives on the basis of their age. In order to investigate such potential variation a questionnaire-based survey was conducted targeting the relevant psychiatrists working in a large mental health trust in north-east England.ResultsOnly subtle differences in attitudes between the two staff groups were noted. However, a number of significant differences in prescribing preferences were reported.Clinical ImplicationsAttitudes towards first-episode psychosis show marked variation between psychiatrists but may not be especially associated with sub-specialty. Further national guidance should be drawn up, disseminated and implemented to help ensure that service users across the age range receive the safest and most effective medications for an episode of psychotic illness, regardless of age.

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Drug Induced Psychosis

Abstract: ROBPOOLEand CLAREBRABBINS

Cited by 71 publications

References 27 publications

Stability of the diagnosis of first-episode drug-induced psychosis

Stability of the diagnosis of first-episode drug-induced psychosis

Chronic khat use and psychotic disorders: A review of the literature and future prospects

Attitudes and practice in relation to first-episode psychosis: a survey of child and adult psychiatrists

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