One brand of Oxycodone HCl manufactured by Roxane Laboratories (Oxycodone is the primary component of both OxyContin and Percocet), and is a "potent single entity relief for moderate to moderately severe pain," according to the official website. Roxicodone is a DEA Schedule II drug and an addictive, powerfully narcotic painkiller when abused.
Oxycodone is 14-hydroxydihydrocodeinone, a white odorless crystalline powder, made from an opium alkaloid, thebaine. Besides depressing the nervous system, Roxicodone may cause light headedness, euphoria, dizziness, sedation, nausea, vomiting, and, like all opium-based drugs, will quell coughs.
Opiates are extremely addictive, and OxyContin addiction has trashed some small towns. Don't mess with this (unless of course you're a cancer patient, have broken your back, or you have other forms of severe, chronic pain).
Sources:
http://pain.roxane.com/Products/Roxicodone/
I dig that, a virtual host called "pain."