I HAVE A CONTINUING PROBLEM I'M HOPING SOMEONE KNOWS ABOUT.  I WILL HAVE ABDOMINAL CRAMPING AND PAIN FOR 20-30 MINUTES AND CAN'T HAVE A BM, WHICH DURING THIS TIME ON THE TOILET I CAN FEEL LIKE I COULD ACTUALLY PASS OUT.  AT TIMES I HAVE EVEN DRY-HEAVED ALSO.  I WILL FEEL TOTALLY DRAINED ON THE TOILET AND WILL HAVE TO EVEN LAY MY HEAD DOWN ON THE SINK BUT I CAN'T GET OFF THE TOILET.  I WILL FEEL BETTER AFTER THIS 20-30 MINUTES WHEN I FINALLY HAVE DIAHRREA.  THIS IS SO PAINFUL AND DRAINING, WHAT CAN I DO?