Diclofenac Sodium Injection IP is a nonsteroidal anti-inflammatory drug (NSAID) that is used to relieve pain and inflammation in the body. It is used to treat conditions such as osteoarthritis, rheumatoid arthritis, and ankylosing spondylitis. The injection is given into a muscle or vein, usually by a healthcare professional. Diclofenac Sodium Injection IP is a nonsteroidal anti-inflammatory drug (NSAID) that works by reducing the production of certain chemicals in the body that are associated with pain and inflammation. Moreover, this injection is typically given directly into a muscle or vein by a healthcare provider.