Please consult your physician before taking any medication. Brand name: Zyloprim Generic name: Allopurinol, Pubirel Why is Zyloprim prescribed? Zyloprim is used in the treatment of many symptoms of gout, including acute attacks, tophi (collection of uric acid crystals in the tissues, especially around joints), joint destruction, and uric acid stones. Gout is a form of arthritis characterized by increased blood levels of uric acid. Zyloprim works by reducing uric acid production in the body, thus preventing crystals from forming. Zyloprim may also be used for conditions other than those listed in this medication guide.