Opiates and Stomach Problems

This is weird, because I've been having the same sort of problems.

I actually PUKED blood the other night after chugging some beer with a couple people. WTF is happening to me. Opiates damage your digestive system?

Didn't know that.

The more and more I read up on this, I need to have them check my stomach for anything serious. Because I've always puked blood when I hack and puke (often from drinking alcohol). That, and when I stop doing opiates for a couple days my stomach ACHES AND ROLLS. I'd convinced myself that was the addiction part of it, but hell it could be a serious ulcer.