Zyloprim is a prescription medication formulated in tablet form, available in four dosage strengths: 100 mg, 200 mg, 300 mg, and 500 mg. It contains the active ingredient allopurinol, which is primarily prescribed for the management and prevention of gout and certain types of kidney stones. Additionally, Zyloprim is effective in controlling uric acid levels in patients undergoing cancer chemotherapy, helping to prevent potential complications from high uric acid. This medication is also available under the brand names Zyloric, Zyrik, and Zyle.