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