Oxaprozin (brand name: Daypro®) is a nonnarcotic, nonsteroidal anti-inflammatory drug (NSAID), used to relieve the inflammation, swelling, stiffness, and joint pain associated with osteoarthritis and rheumatoid arthritis. Chemically, it is a propionic acid derivative.
Non-steroidal anti-inflammatory drugs
More on [ Oxaprozin ]

Oxaprozin - Familydoctor.org - Information for patients in English and Spanish.