KROK 1 2013 – Question 1 · KROK (Medicine) · Pharmacology

A patient diagnosed with focal tuberculosis of the upper lobe of the right lung had been taking isoniazid as a part of combination therapy. After some time, the patient reported of muscle weakness, decreased skin sensitivity, blurred vision, impaired motor coordination. Which vitamin preparation should be used to address these phenomena?

  1. A. Vitamin B12
  2. B. Vitamin C
  3. C. Vitamin D
  4. D. Vitamin A
  5. E. Vitamin B6
Hint

Ask which coenzyme precursor is depleted by this antituberculous drug, producing peripheral neuropathy and incoordination.

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