Toxic megacolon is a life-threatening complication of other intestinal conditions that causes rapid widening (dilation) of the large intestine within 1 to a few days.
Toxic dilation of the colon; Megarectum
Causes, incidence, and risk factors
Toxic megacolon occurs as a complication of inflammatory bowel disease, such as
This is not the same as other forms of megacolon, such as pseudo-obstruction, acute colonic ileus, or congenital colonic dilation. These conditions occur without infection or inflammation.