Hello, I’ve been having similar symptoms for about 8 years when I was first diagnosed with Collagenous gastritis. Stress defiantly makes it worse but I always have stomach problems. If I get hungry I get really bad stomach pains too. It’s a really miserable feeling and other people don’t understand how bad I feel. I’ve tried all types of medications from anti anxiety to antidepressants and steroids. Budesonide is a steroid that Dr Murray prescribed. It did help the first time but nothing really helps at this point. There as a Med student that’s trying to study the gut bacteria to see if it plays a roll in the disease. There was a study that showed patients with collagenous colitis had similar levels of certain bacteria in their gut so it maybe provide some clues to the cause and potential cure. I will send you a personal message with the links to the forum and the medical study.
Hang in there, your not alone 🙂