Cox B-200 Capsule is used to relieve the condition of inflammation of joints due to degeneration of cartilage tissue (osteoarthritis) and a long-term stage of inflammation of the joints (rheumatoid arthritis). This medicine is also used to relieve the condition of inflammation and stiffness in joints in children of age group 16 years or younger (juvenile rheumatoid arthritis) and a form of inflammatory arthritis that affects the spine and large joints (ankylosing spondylitis). This medicine works by stopping the body’s production of natural substances that cause pain and inflammation. Cox B-200 is also used for the management of acute pain, to treat pain just before or during menstrual periods, and to reduce the incidence of abnormal tissue growth (polyps) formation in an inherited disorder of the large intestine.