This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Adverse Drug Effect, 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., GabapentinDrugs causing folate deficiencyInterference with folic acid absorptionInhibition of dihydrofolate reductaseImpair folate metabolismo Phenytoino Phenobarbitone\\o Primidoneo Sulfasalazineo Cotrimoxazoleo Methotrexateo Pyrimethamineo Triametereneo Pentamidineo Trimethoprimo Alcohol", 'role': 'assistant'}]