Ostomy pouch. An ostomy pouch is the bag that collects the stool draining from your ostomy. Skin barrier. The skin barrier is the part of the ostomy pouch that sticks to your skin and protects it.

The operation is called a colostomy ... collect in a special pouch that you’ll empty out. Your health care team will show you how to change your bag and take care of the stoma.

An ostomy bag can generally hold a good amount of waste—usually enough for a few hours, depending on your output. Once the ...