I have an alternative idea. Is there any possibility that you are so swollen that fecal matter can not pass? You could consider using the steroid enema at night and try an ice pac for 20 min a few times a day..
Are you just supposed to lay the ice pack on your stomach? Does that work?
First diagnosed with moderate/severe Ulcerative Colitis: October 2002
Drugs I've tried (none of them work for me): Asacol, Lialda, Colazol, Dipentum, Remicade