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CASE REPORT
Acute dyskinesia in a patient with schizophrenia
  1. Alex James Berry
  1. Department of Psychiatry, Camden and Islington NHS Foundation Trust, London, UK
  1. Correspondence to Alex James Berry, alex.berry3{at}nhs.net

Abstract

A case of acute dyskinesia in a 42-year-old man with a history of cocaine use and schizophrenia is described. He had discontinued clozapine approximately 1 month before presenting to the emergency department displaying signs of psychosis, with generalised choreiform and dystonic movements. Urinary toxicology was positive for cocaine. Clozapine treatment was reinitiated, and within 2 weeks the dyskinesia had subsided. Review of his records revealed two previous episodes of similar dyskinesia, both of which were temporally associated with cocaine use. Dyskinesia occurring in the context of cocaine use, and clozapine withdrawal-associated dyskinesia were considered to be the main differential diagnoses. A range of differential diagnoses should be considered in patients presenting with an acute-onset movement disorder who have a history of long-term exposure to antipsychotic medication.

  • psychiatry (drugs and medicines)
  • drug misuse (including addiction)
  • psychiatry

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Footnotes

  • Contributors AJB gained consent from the patient, authored the case report, performed the literature review and prepared the article for submission.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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