YES! In the early days the doctors were told it wasn't though. Even a lot of the doctors who were skeptical ended up believing the pharmacy reps lies.
My ex-husband was prescribed it after shattering his wrist and shoulder blade because he had to wait a couple of days for surgery and was in a LOT of pain. I remember he took one and was SO out of it. He only took it a couple times after that first dose, and he halved the dose. It scared him a little how hard it hit him. We ended up having that bottle sitting up on the shelf forever until I finally threw the remaining pills away. We had to jump through hoops to even get the prescription filled. Our insurance was out of a state that was hit hard by opioid abuse, and refused to pay. His doctor had to call them and explain this was a case where the medication was actually needed.