3 different times in the past year, I have had a strange thing occur.  My lower stomach started to hurt and than my body started filling with gas.  It hurt so badly that I almost passed out.  Its hard to move and breath at times.  Lying flat on the ground stretched out helps, but when I get up its excrutiating.  It last 2-3 hrs.  Any thoughts?
Hi. The possible causes of distension of abdomen with excruciating pain which lasts for 2 to 3 hours are