<unk> (tablet) is a xanthine oxidase inhibitor that is FDA approved for the treatment of primary or secondary gout (acute attacks, tophi, joint destruction, uric acid nephrolithiasis, and/or nephropathy), leukemia, lymphoma, solid tumor malignancies, and recurrent calcium oxalate calculi.   Common adverse reactions include maculopapular eruption and pruritus.
Allopurinol 
Probenecid
Pamidronic acid
Etidronic acid
Tiludronate
Colchicine
Zoledronic acid
Risedronate