<unk> (patch) is a nonsteroidal anti-inflammatory drug that is FDA approved for the treatment of acute pain due to minor strains, sprains, and contusions. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include application site reactions and dermatitis.
Diclofenac 
Aceclofenac
Ketoprofen
Alclofenac
Fenoprofen
Celecoxib
Ibuprofen lysine
Ibuprofen 