*Perforation of the colon *Sepsis *Shock Emergency action may be required if severe abdominal pain develops, particularly if it is accompanied by fever, rapid heart rate, tenderness when the abdomen is pressed, bloody diarrhea, frequent diarrhea, or painful bowel movements. Colonoscopy is contraindicated, as it may rupture the dilated colon resulting in peritonitis and septic shock.
Toxic megacolon
Enterotoxemia
Proteus syndrome
Distal intestinal obstruction syndrome
Floating–Harbor syndrome
Megacolon
Clostridial necrotizing enteritis
Neutropenic enterocolitis