Prolonged treatment with INH – MCQ

Prolonged treatment with INH leads to deficiency of
A. Pyridoxine
B. Thiamine
C. Pantothenic acid
D. Niacin

Correct answer : A. Pyridoxine

INH increases urinary excretion of pyridoxine and impairs its utilisation. Hence prolonged treatment with INH leads to deficiency of Pyridoxine.

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