内臓性腹痛の主な原因は何？
Common causes of pain in the abdomen include gastroenteritis and irritable bowel syndrome. About 10% of people have a more serious underlying condition such as appendicitis, leaking or ruptured abdominal aortic aneurysm, diverticulitis, or ectopic pregnancy. In a third of cases the exact cause is unclear.
gastroenteritis and irritable bowel syndrome