I have severe acid reflux and have had many issues off and on with my stomach over the years. Once a doctor told me she thought I had IBS as well, but the drugs didn't really help me that much, so I'm not sure if she was right. I totally agree though, that while PTSD may not be the cause of my stomach problems, it certainly exacerbates the problem. Right now I have been losing a lot of weight because when I get stressed out, I lose my appetite. Getting worried about myself now... :cautious::barefoot::(