CATAFLAM® (diclofenac potassium immediate-release tablets) is a benzene-acetic acid derivative. It is used to relieve pain and swelling (inflammation) from various mild to moderate painful conditions. It is also used to treat muscle aches backaches dental pain menstrual cramps and sports injuries. Reducing these symptoms helps you do more of your normal daily activities. CATAFLAM is available as immediate-release tablets of 50 mg (lightbrown) for oral administration.