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': 'Best drug for\tchronic gout in patient with renal impairment is: \nSelect and explain. \nA. Naproxen, B. Probenecid, C. Allopurinol, D. Sulfinpyrazone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: NSAIDs like naproxen have no role in chronic gout\nUricosuric drugs like probenecid and sulfinpyrazone are ineffective in the presence of renal insufficiency\nAllopurinol is drug of choice for most cases of chronic gout.', 'role': 'assistant'}]