The following are some of the back pain medications available in the U.S.:
Flector topical (diclofenac patch)
Percocet (acetaminophen and oxycodone)
Tylenol with Codeine (acetaminophen and codeine)
Ultracet (acetaminophen and tramadol)
Vicodin (acetaminophen and hydrocodone)
In general, narcotics are not recommended for back pain.