Toxic megacolon is a term used to express the seriousness of the condition.
Toxic megacolon is rare. It’s a widening of the large intestine that develops within a few days and can be life-threatening. It can be a complication of inflammatory bowel disease (such as Crohn’s disease).When toxic megacolon occurs, the large intestines rapidly expand. Symptoms of the condition may come on suddenly and include:
abdominal pain
bloating of the abdomen (distention)
abdominal tenderness
fever
rapid heart rate (tachycardia)
shock
bloody or profuse diarrhea
painful bowel movements
Toxic megacolon is a life-threatening condition. If these symptoms develop, you should seek immediate medical attention