A patient with chronic alcohol use presents with confusion, ophthalmoplegia and ataxia. Which vitamin deficiency should be suspected?
Show answer and explanation
Correct answer: Vitamin B1 (thiamine)
Thiamine (vitamin B1) deficiency in chronic alcohol use can precipitate Wernicke encephalopathy (confusion, ophthalmoplegia, ataxia) due to impaired carbohydrate metabolism in neurons.
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