Best drug for	chronic gout in patient with renal impairment is:
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.
Naproxen
Probenecid
Allopurinol
Sulfinpyrazone