Thanks to both of you for responding! I have taken one oxycontin before that a friend had given me when I was in excrutiating pain. It took me a week to take the whole thing, I just took a little piece at a time, they are very strong, but they work. And they don't make me tired. I'm just worried that I would become dependent on those, but it doesn't look like I'm getting off of Vicodin anytime soon with the pain that I'm having. So maybe it's better to become dependent on something that doesn't cause liver damage?