Allopurinol. Xanthine oxidase is an enzyme that yields reactive oxygen species. Uric acid buildup can lead to gout or kidney stones.
It is also used to prevent increased uric acid levels in patients receiving cancerchemotherapy. Generic drugs usually cost less. Allopurinol is a structural analog of the natural purine base hypoxanthine.
It is taken by mouth or injected into a vein.
A high uric acid level can cause gout or gouty arthritis joint pain and inflammation. Allopurinol is a structural analog of the natural purine base hypoxanthine. Allopurinol is used to prevent or lower high uric acid levels in the blood. It works by reducing the production of uric acid in the body.