Diclofenac is a non-steroidal anti-inflammatory (NSAID) drug. Diclofenac are used to relieve pain & inflammation in conditions such as rheumatoid arthritis, osteoarthrosis, ankylosing spondylitis (arthritis of the spine), low back pain, other conditions affecting the muscles, joints, tendons & bones eg strains, sprains, fractures or dislocations, acute gout or dental & other minor surgery.