Aceclofenac is a non-steroidal anti-inflammatory drug (NSAID), and possesses analgesic and anti-inflammatory properties.

Aceclofenac works by inhibiting the cyclo-oxygenase enzyme responsible for the synthesis of prostaglandins, inflammatory mediators that can cause pain and swelling and induce fever and inflammation. Used for the relief of symptoms associated with osteoarthritis, rheumatoid arthritis and ankylosing spondylitis.