what is naproxen so
Naproxen is a nonsteroidal anti-inflammatory drug (NSAID) used to relieve symptoms of arthritis (osteoarthritis, rheumatoid arthritis, or juvenile arthritis) such as inflammation, swelling, stiffness, and joint pain. Naproxen also helps relieve symptoms of ankylosing spondylitis, which is a type of arthritis that affects the joints in the spine.