Prolonged treatment with INH leads to deficiency of:: (A) Pyridoxine, (B) Thiamine, (C) Pantothenic acid, (D) Niacin
Answer is A. Ans. (A) Pyridoxine(Ref: Katzung 11th/e p825, KDT 8th/e p818)Isoniazid can cause peripheral neuropathy due to deficiency of pyridoxine.