Colostomy irrigation is a procedure that gives people with a colostomy in the lower part of the colon (the descending colon or the sigmoid colon) more control over the elimination of waste. People with a colostomy in the lower part of the colon usually have more formed stool, so they may be able to control when stool leaves the body. Irrigation stimulates the intestine to function at a regular time and is generally done at the same time every day or every other day.

In this procedure, an irrigation cone and tube are connected to the stoma (the end of the exposed intestine), and irrigation fluid is put in to cause the colon to contract and empty.

People who use irrigation may use a small pouch or cap over the stoma and may not need a colostomy bag. Irrigation requires a health professional's approval and guidance.