ESGIPYRIN DS INJECTION contains Diclofenac, which belongs to a group of medicines called Nonsteroidal anti-inflammatory drugs (NSAIDs). ESGIPYRIN DS INJECTION is used to manage various painful conditions such as flare-ups of joint or back pain, gout attacks (a common and complex form of arthritis that is characterized by sudden, severe attacks of pain, swelling, redness, and tenderness in one or more joints), pain caused by kidney stones or due to injuries, fractures, or trauma. It is also used to manage or manage pain following an operation.