Wernicke-Korsakoff Syndrome: Thiamine Deficiency, Symptoms, and Treatment

Caused by thiamine (B1) deficiency, often from alcoholism, malnutrition, or malabsorption. Two phases:

  • Wernicke encephalopathy (acute): confusion, ataxia, ophthalmoplegia, nausea. Emergency—IV thiamine prevents permanent damage.
  • Korsakoff syndrome (chronic): profound anterograde amnesia, confabulation, apathy.

Treatment: high-dose thiamine (IV/oral), address underlying cause, nutritional support.

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