abdominal pain after bowel movement
1 Abdominal pain after bowel movement may occur due to two disorders: Crohn's disease and ulcerative colitis. 2  Chronâs disease causes spasmodic movement of the intestine, while, on the other side, ulcerative colitis causes the inflammation of the whole intestine lining.3  Therefore, pain after bowel movement is inevitable.auses of pain after bowel movement. There are several medical conditions that are among the main causes for the occurrence of this uncomfortable pain, and they include irritable bowel syndrome, proctitis, cholecystitis, Crohn's disease, ulcerative colitis and hemorrhoids.