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Discharge Instructions for Diverticulitis

You have been diagnosed with diverticulitis. This is a condition in which small pouches form in your colon (large intestine) and become inflamed or infected. Follow the guidelines below for home care.

As you recover

Tips for recovery include:

  • Eating a low-fiber diet at first while you recover. Your health care provider may advise a liquid diet. This gives your bowel a chance to rest so that it can recover.

  • Eating foods, such as flake cereal, mashed potatoes, pancakes, waffles, pasta, white bread, rice, applesauce, bananas, eggs, fish, poultry, tofu, and well-cooked vegetables.

  • Taking your medicines as directed. Don't stop taking the medicines, even if you feel better.

  • Keeping track of your temperature and reporting any rise in temperature to your provider.

  • Taking any prescribed antibiotics exactly as directed. Don't miss any and keep taking them even if you feel better.

  • Drinking 6 to 8 glasses of water every day, unless told otherwise.

  • Using a heating pad or hot water bottle to reduce abdominal cramping or pain.

Preventing diverticulitis in the future

Tips for prevention include:

  • Eating a high-fiber diet. Fiber adds bulk to the stool so that it passes through the large intestine more easily.

  • Continuing to drink 6 to 8 glasses of water every day, unless told otherwise.

  • Starting an exercise program. Ask your health care provider how to get started. You can benefit from simple activities, such as walking or gardening.

  • Treating diarrhea with a bland diet. Start with liquids only, then slowly add fiber over time.

  • Watching for changes in your bowel movements (constipation to diarrhea).

  • Preventing constipation with fiber and adding a stool softener if needed. 

  • Getting plenty of rest and sleep.

  • Avoiding nonsteroidal anti-inflammatory drugs, such as ibuprofen, if possible. They increase the risk of diverticulitis.

  • Not smoking.

Follow-up care

Make a follow-up appointment, or as advised. You may need a colonoscopy or other imaging tests of your colon.

When should you call your doctor

Contact your health care provider or get medical care right away if you have:

  • A fever of 100.4°F (38°C) or higher, or as advised by your provider.

  • Chills.

  • Severe cramps in your belly, most often the lower left side.

  • Soreness in your belly, most often the lower left side.

  • Nausea and vomiting.

  • Bleeding from your rectum.

Online Medical Reviewer: Jen Lehrer MD
Online Medical Reviewer: Melinda Murray Ratini DO
Online Medical Reviewer: Rita Sather RN
Date Last Reviewed: 2/1/2025
© 2000-2025 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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