Hi all. I'm a 26 y/o male generally healthy male. Since July 2021, I have been experiencing underlying stomach issues that come and go. They've steadily become worse and less manageable since then. I have dealt with GERD for as long as I can remember but has been very manageable for the last 15 years. But now, I have (seemingly) unprovoked bouts of nausea, decreased appetite, fullness after a small amount of food, epigastric pressure, and lower abdominal cramping followed by diarrhea. I haven't been able to manage it very well so far and I feel like this is controlling my daily life. I've received over 10 tests (i.e., EGD, colonoscopy, manometry/impedance, stool study, various scans, etc.) and nothing cut and dry has been found. I'm miserable, but I'm wondering if anyone has had similar experiences in trying to pin down what is causing these issues, or if any of you have similar symptoms.