An enema involves inserting liquid directly into your rectum to help you poop. Most people use them to relieve constipation that hasn’t improved with other treatments and as a colon cleanse stool-softening fluid inside a colon following a saline enema injection.
Enemas involve inserting an applicator into your rectum that injects fluid (like saline) that helps you poop.
What is an enema?
An enema is an injection of fluid directly into your rectum that helps you poop. You may get an enema at your healthcare provider’s office. Most people buy enema kits they use at home.

People have used enemas for centuries to flush out poop (stool) in their colon (large intestine)