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
Best drug for chronic gout in patient with renal impairment is : 
Select and explain. 
A. Naproxen, B. Probenecid, C. Allopurinol, D. Sulfinpyrazone
A: Naproxen
Answer: A: Naproxen 
Explanation: NSAIDs like naproxen have no role in chronic gout.
Uricosuric drugs like probenecid and sulfinpyrazone are ineffective in the presence of renal insufficiency.
Allopurinol is drug of choice for most cases of chronic gout.