Naproxen
Naproxen, nonsteroidal anti-inflammatory drug used for relief of pain and inflammation associated with adult and adolescent rheumatoid arthritis , osteoarthritis , ankylosing spondylitis (chronic inflammation of the spine), bursitis, tendinitis, and gout . It is also used in treating headaches and menstrual cramps. Naproxen is an effective painkiller after childbirth, orthopedic surgery, dental treatment, and for strains and sprains. It blocks the production of certain chemicals called prostaglandins that may trigger pain and inflammation. This drug may be purchased over the counter in tablets of 225 mg. It is available in larger dosages—by prescription only—in tablets of 250 mg, 375 mg, and 500 mg; in sustained-release tablets of 375 mg and 500 mg; and as a liquid, administered orally in 125 mg per 5-ml spoonful. The typical adult oral dosage for rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis is 200 to 500 mg twice a day. For gout, the initial adult dosage is 750 mg