Adequate hydration is necessary during therapy with allopurinol to prevent both the formation of xanthine calculi and renal precipitation of urates when concomitant uricosuric agents are given. Allopurinol increases the risk of skin rash when given with amoxicillin. Manufacturer advises consider alternatives. Allopurinol has the following structural formula below: Allopurinol is known chemically as 1,5-dihydro-4 H-pyrazolo [3,4-d]pyrimidin-4-one. It is a xanthine oxidase inhibitor which is administered orally. Allopurinol, sold under the brand name Zyloprim among others, is a medication used to decrease high blood uric acid levels. It is specifically used to prevent gout, prevent specific types of kidney stones and for the high uric acid levels that can occur with chemotherapy. Revue du Rhumatisme 71 (2004) 860-864 Comment traiter un goutteux résistant ou allergique à l’allopurinol en 2004 ? Current management of gout in patients unresponsive or allergic to allopurinol Allopurinol and colchicine are two medications that can be used to treat gout. This lesson will discuss the similarities and differences between. Americans of Asian and African descent have much higher risk than white and Hispanic Americans of developing rare but severe, sometimes life-threatening skin reactions to the gout drug allopurinol (Zyloprim), according to a new study published recently in Seminars in Arthritis & Rheumatism. Allopurinol oral tablet is available as a generic drug and as brand-name drugs. Brand names: Zyloprim and Lopurin. Allopurinol is also given as an injection by a healthcare provider in the hospital. ALLOPURINOL reduces the amount of uric acid the body makes. It is used to treat the symptoms of gout. It is also used to treat or prevent high uric acid levels that occur as a result of certain types of chemotherapy. Academia.edu is a platform for academics to share research papers.