This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NSAIDs, Gout and Rheumatoid Ahritis, Subject name: Pharmacology
Which of the following drugs is useful in chronic gout but is NOT a uricosuric agent? 
Select and explain. 
A. Probenecid, B. Lesinurad, C. Sulfinpyrazone, D. Allopurinol
D: Allopurinol
Answer: D: Allopurinol 
Explanation: Drugs used in gout are: For acute gout NSAIDs like diclofenac, indomethacin Steroids Colchicine For chronic gout Decrease formation of uric acid: Allopurinol Febuxostat Increase excretion of uric acid (uricosuric agents): Sulfinpyrazone Probenecid Benzbromarone Lesinurad Increase metabolism of uric acid: Rasburicase Pegloticase