You can give yourself an enema at home, using a kit with an enema bottle or enema bag. Or, it may be done by a nurse or other healthcare professional.

This article looks at how to use an enema at home. It also discusses why they’re used, potential problems, and when you shouldn’t use them.

Instructions

Your enema will be easier to do if you prepare what you need ahead of time. You’ll also want to clear your schedule for several hours afterward, so choose the best time of day that works for you so that you’re not in a hurry after the enema starts to work.

To use an enema, you’ll need:

An enema kit (available from grocery or drug stores)Petroleum jelly or other lubricationTowelsSpace to lie down

Next, get the place where you’ll do the enema ready. You’ll want to:

Lay some towels on the floor, preferably in the bathroom. Roll up one to use as a bolster. Keep other towels and washcloths within arms reach. Have a clock or timer close by (possibly on your phone) so you can properly time the enema.

To administer the enema itself, you will:

Remove the cap from the tip of the enema nozzle. Apply some petroleum jelly or lubricant to your anus to make insertion easier. Lie on the floor on your left side. Bend your right knee and place the rolled-up towel under it. (If you’re left-handed, reverse these instructions. )With your dominant hand, gently insert the tip of the enema nozzle into your rectum. This may be uncomfortable but not painful. If there’s pain, stop and call your healthcare provider. After insertion, squeeze the enema container to push the liquid into the rectum. Squeeze from the bottom to the top and empty the container. Slowly withdraw the nozzle.

Set an alarm for the recommended amount of time before going to the bathroom. (See chart below.) When the alarm goes off, use the toilet. Then stay close to a toilet for the next 30 to 60 minutes, because you may need to go several more times. 

They may also deliver medications directly into the bowel. Enemas are used to treat:

Constipation Fecal impaction Inflammatory bowel disease (IBD)

An enema is a common part of bowel preparation. You may need that before some procedures. Those include:

Colonoscopy: A flexible scope is used to see inside your rectum and colon. It can show inflammation, bleeding, damage, and abnormal growths. Studies suggest results are better when an enema is used before other bowel preparations. Sigmoidoscopy: Similar to a colonoscopy but only involves the rectum and lower part of the colon, called the sigmoid colon. It can show inflammation, irritation, and growths. Certain surgeries: Surgeries on the bowel or other parts of the lower digestive system often require an enema beforehand.

Potential Problems

To use an enema, you need to twist and reach behind yourself. This may be difficult if you have:

Limited range of motion in the shoulders or armsLost feeling in your fingers or hands

Fluid Considerations

Follow directions about how much fluid to use.

If you use too much, it can travel higher up into your colon. Then it takes longer than expected to come out. You may end up with an unpleasant surprise well after you’ve left the bathroom.

Using too much fluid can also lead to abnormal distention (your belly sticking out). That can lead to bowel perforation. This condition may not be obvious until serious symptoms appear.

Don’t use water that’s much warmer or cooler than your body temperature. Hotter water can be irritating. Cold water may cause contractions that force the water out too fast for it to work.

What To Use (And Not Use)

Use an enema kit that’s recommended by a healthcare provider.

Call your provider if you can’t give yourself a prescribed enema. Get medical help if it causes pain or severe discomfort.

Don’t use home preparations. Avoid trendy enema solutions that contain coffee or alcohol. They aren’t safe.

Contraindications

Something is contraindicated if it’s unsafe for you for because of some aspect of your medical history. You shouldn’t use enemas if you have:

Tumors obstructing your rectum Rectal prolapse Acute coronary syndrome A compromised immune system such as from advanced HIV or chemotherapy

If you can’t use an enema, your healthcare provider will discuss other options with you.

Summary

Enemas clean out your bowel. This is helpful for treating constipation or fecal impaction. It can also deliver medication to the bowel.

You may need an enema before colonoscopy, sigmoidoscopy, or bowel surgery.

Tell your healthcare provider if you have problems with an enema or can’t use one as prescribed. Don’t use one if you have tumors obstructing your rectum, rectal prolapse, acute coronary syndrome, or a compromised immune system.

Follow the instructions carefully and observe the wait times for your kit’s ingredients.

A Word From Verywell

An enema can be uncomfortable, embarrassing, and fairly gross. Try to put that aside. Understand that it’s necessary and discuss any concerns with your healthcare provider.

Enemas shouldn’t be used regularly. If you find yourself needing them for something like chronic constipation, talk to your provider about other treatments.

Safer ways of treating constipation include:

Adding fiber to your dietDrinking more waterGetting regular exercise

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