Pain Pills: Understanding Adderall, Xanax, Percocet, Alprazolam, Hydrocodone, Oxycodone, OxyContin, Valium, and Roxicodone Pain pills are a common way to manage pain, but not all pain pills are created equal. Some pain pills can be highly addictive and can cause serious side effects if not used properly. Here is an overview of some of the most