What type of drug is diclofenac?

PRESCRIBED FOR: Diclofenac is used primarily for the treatment of inflammation and pain caused by conditions such as rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis. It is also effective in treating soft tissue inflammations due to tendinitis and bursitis, and treating dysmenorrhea (menstrual cramps).

plus can be useful for migranes, PS don't take for cluster migranes it is dangerous