Complications of chronic constipation include: Swollen veins in your anus (hemorrhoids). Straining to have a bowel movement may cause swelling in the veins in and around your anus.

Can constipation cause water retention?

If you don't have enough water in your body already, the large intestine soaks up water from your food waste. This makes you have hard stools that are difficult to pass. There are other causes of chronic constipation too, including what you eat, traveling, medicines, irritable bowel syndrome, and pregnancy.

Can bowel problems cause leg swelling?

Abdominal compartment syndrome due to colonic obstruction can contribute to the development of lower-extremity edema. Colon decompression with reduction of intra-abdominal pressure can lead to resolution of edema in this situation.