Generic Microzide is a thiazide diuretic that helps prevent your body from absorbing too much salt, which can cause fluid retention. It is used for treating high blood pressure.
Generic 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. Allopurinol works by reducing uric acid production in the body, thus preventing crystals from forming.