This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Drug which does not interfere with folic acid metabolism? \nSelect and explain. \nA. Phenytoin, B. Gabapentin, C. Phenobarbitone, D. Primidone', 'role': 'user'}, {'content': "Answer: B \nExplanation: 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", 'role': 'assistant'}]