Dynapar gel is a Non-steroidal anti-inflammatory (NSAID) drug used to treat pain associated with conditions like Gout Migraine Rheumatoid Arthritis sprains of muscles and joints and in mild to moderate fever in some cases. Diclofenac is used to relieve pain swelling (inflammation) and joint stiffness caused by arthritis. Reducing these symptoms helps you do more of your normal daily activities. This medication is known as a nonsteroidal anti-inflammatory drug. Dynapar Gel works by decreasing the prostaglandin synthesis; treating the skin disorders; providing relief of musculo-skeletal aches and pains; reducing pain and delayed onset muscle soreness.