Causes of Dementia

Acute Brain Events: Acute or traumatic causes of dementia or dementia-like symptoms include:

Progressive Neurological Disorders: Various different progressive brain disorders may result in dementia:

Other Brain Disorders: Various dysfunctions of the brain may result in dementia:

  • Brain tumor
  • Brain lesion
  • Brain damage (e.g. hypoxic brain damage)
  • Senile Dementia (age-related dementia)
  • General paresis (paralytic dementia)
  • Encephalopathies
  • Alcoholic encephalopathy (Korsakoff Psychosis / Wernicke Disease)
  • Toxic encephalopathy
  • Hepatic encephalopathy (liver failure)
  • Cerebral atherosclerosis
  • Tertiary syphilis
  • AIDS
  • Normal Pressure Hydrocephalus
  • Brain disorders (many types)

Metabolic and Systemic Disorders: Some systemic diseases cause dementia via an indirect effect on the brain:

Substance-Related Disorders: Many different substances may impact the brain, resulting in dementia, either acute or chronic, such as:

Other Disease Considerations: Other possible causes of dementia, or in some cases, of symptoms similar to dementia, but not quite the same issues, include:

Similar Symptoms: See also the possible causes of other related or similar symptoms, such as:

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.