1 The medicine may be given every six to eight hours, as needed, up to 40 mg per kg per day. 2  Infants younger than 6 months of ageâUse and dose must be determined by your doctor. 3  For menstrual cramps: 4  Adultsâ400 milligrams (mg) every four hours, as needed.
Diclofenac and misoprostol combination is used to relieve symptoms of arthritis (eg, osteoarthritis or rheumatoid arthritis) in patients who may develop stomach ulcers from taking nonsteroidal anti-inflammatory drugs (NSAIDs).
Diclofenac extended-release tablets and delayed-release tablets are also used to treat ankylosing spondylitis (arthritis that mainly affects the spine). Diclofenac tablets (Cataflam) are also used to treat painful menstrual periods. Diclofenac solution (Cambia) is used to treat migraine headaches in adults, but cannot be used to prevent migraines or to treat other types of headaches. Diclofenac is in a class of medications called NSAIDs.