The uses of PIROX include: Piroxicam is used to relieve pain, tenderness, swelling, and stiffness caused by osteoarthritis (arthritis caused by a breakdown of the lining of the joints) and rheumatoid arthritis (arthritis caused by swelling of the lining of the joints). Piroxicam is in a class of medications called NSAIDs. It works by stopping the body's production of a substance that causes pain, fever, and inflammation.
Piroxicam comes as a capsule to take by mouth. It is usually taken once or twice a day. Take piroxicam at around the same time(s) every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take piroxicam exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Piroxicam is also sometimes used to treat gouty arthritis (attacks of severe joint pain and swelling caused by a build-up of certain substances in the joints) and ankylosing spondylitis (arthritis that mainly affects the spine). It is also sometimes used to relieve muscle pain and swelling, menstrual pain, and pain after surgery or childbirth.