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Violence and delusional jealousy in Parkinson’s disease
  1. Axel Anders Stefan Laurell1,2,
  2. Emily Watson2,
  3. Catherine F Hatfield2 and
  4. Robert B Dudas1,2
  1. 1Department of Psychiatry, University of Cambridge, Cambridge, UK
  2. 2Fulbourn Hospital, Cambridgeshire and Peterborough NHS Foundation Trust, Cambridge, UK
  1. Correspondence to Dr Axel Anders Stefan Laurell; al2087{at}


Psychosis in Parkinson’s disease (PD) can have a hugely detrimental effect on patient outcomes and quality of life. It can be a feature of PD itself, or can be exacerbated by the very pharmacological agents that are prescribed to treat the motor symptoms of the disease. The treatment of psychosis in PD is often complex, with clinicians having to balance the debilitating physical symptoms of PD against the risk of exacerbating the psychosis. We describe the case of an octogenarian who presented with violence motivated by delusional jealousy in the context of PD, who was treated in a specialist psychiatric inpatient environment.

  • Parkinson's disease
  • Psychiatry of old age
  • Psychotic disorders (incl schizophrenia)
  • Impulse control disorders
  • Drugs: psychiatry

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  • Contributors The following authors were responsible for drafting of the text, sourcing and editing of clinical images, investigation results, drawing original diagrams and algorithms, and critical revision for important intellectual content: AASL, EW, CFH and RBD. The following authors gave final approval of the manuscript: AASL, EW, CFH and RBD.

  • 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.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

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