Organic Causes of Psychosis

  • Vascular
    • Cerebrovascular disease
  • Infections
    • HIV infection
    • Hepatitis C
    • Creutzfeldt–Jakob disease
    • Neurosyphilis
  • Neoplastic
    • Space occupying lesion; intracranial lesion; brain tumour
  • Deficiencies
    • Vitamin B deficiency
  • Congenital
    • Acute intermittent porphyria
  • Autoimmune
    • Systemic lupus erythematosus
  • Toxins
    • Heavy metal toxicities
    • Wilson disease
  • Endocrine
    • Hypoglycaemia; hyperglycaemia; diabetes mellitus
    • Cushing disease; pituitary adenoma
    • Thyrotoxicosis; hyperthyroidism
    • Hypothyroidism; myxoedema
    • Hyperparathyroidism
    • Addison disease
  • Metabolic
    • Electrolyte abnormality
    • Metabolic abnormality
    • Sleep deprivation
  • Neurolopsychiatric
    • Space occupying lesion
    • Multiple sclerosis
    • CVA