Butorphanol
"So I was administered this medication when I was in early high school. I gave it a 10 because it was great for pain relief on the other hand very addicting. A year passed I used it once. Into year two I had another stomach attack and had to use the butorphonal once more. I then continued to have pain that entire week and "had" to use the butorphonal again and again. My point here is this drug is great for pain if you don't have an addictive personality because like me I did as an early freshman and ended up in a rehab facility detoxing, no one should have to go through that ever."