Generic Naprosyn is used for treating rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, and juvenile arthritis. It is used to treat tendonitis, bursitis, gout, menstrual cramps, or mild to moderate pain.
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.