This Medication Contains Diclofenac Sodium, Which Is A Non-Steroidal Anti-Inflammatory Drug (Nsaid) Used To Treat Inflammation Of The Bones And Joints Such As Rheumatoid Arthritis, Osteoarthritis, Acute Gout, And Ankylosing Spondylitis. It Can Also Be Used To Treat Back Pain, Sprains, Strains, Sport Injuries, Dislocations, Fractures, And Conditions Affecting The Tendons Such As Tendonitis.