Drug which does not interfere with folic acid metabolism?: (A) Phenytoin, (B) Gabapentin, (C) Phenobarbitone, (D) Primidone
Answer is B. Ans. is `b' i.e., Gabapentin Drugs causing folate deficiency Interference with folic acid absorption Phenytoin Sulfasalazine Cotrimoxazole Inhibition of dihydrofolate reductase: Methotrexate Trimethoprim Triamterene Pentamidine Pyrimethamine Primidone Phenobarbitone Impair folate metabolism Alcohol