Celecoxib 200 mg capsule is used to sooth the pain, tenderness, inflammation and firmness caused by Osteoarthritis (Arthritis resulted by a collapsing of the lining of the joints), Rheumatoid Arthritis (Arthritis resulted by puffiness of the lining of the joints), and Ankylosing Spondylitis (Arthritis that mostly has an effect on the spine of the patient).