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Copolov,
Box 3

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Some medical conditions associated with psychotic symptoms

Neurological disorders

  • Infections; especially viral, including HIV
  • Cerebrovascular disease; linked to late-onset psychosis
  • Cerebral trauma; usually with long latency
  • Multiple sclerosis; especially when many periventricular lesions are present
  • Huntington's disease; psychotic symptoms in 5%-10% of cases
  • Epilepsy; especially complex partial seizures
  • Neoplasms; most commonly of the temporal lobe and cingulate gyrus
  • Other space occupying lesions; e.g., abscesses
Endocrine, metabolic and autoimmune disorders
  • Cushing's syndrome; psychosis occurs in up to 20% of patients
  • Hyperthyroidism and hypothyroidism
  • Hyperparathyroidism; psychosis may occur with a clear sensorium
  • Porphyria; acute intermittent porphyria and porphyria variegata
  • Vitamin B12 deficiency; depression more common
  • Systemic lupus erythematosus, and associated steroid-induced psychosis
  • Wilson's disease

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