For about 1 year now, sometimes (now very frequent) I get terrible cramps in the center of my chest just below my rib cage. This works down through my stomach and then into my intestines. It lasts for about 6 to 9 hours. I have had an ultra sound which came back normal. I had upper and lower endoscopy, nothing found. When I get the cramps my moulth waters alot. I feel nausaus but never throw up and have regular bowl movements. Now I have been sick for a week, and it seems to be getting worse. I have no insurance and have to be careful about what to do. Any suggestions or has anyone else heard of this type of problem?