Yes, 5 mg
Flexeril exists. It was approved by the FDA last year. As far as I know, there is currently no generic.
Flexeril is a muscle relaxant. It is a different class of drug than
Percocet or other
oxycodone/APAP medications. Percocet is a narcotic analgesic.
More info about Flexeril:
http://Flexeril.drugs.com/