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Diverticulitis

Learn more about symptoms, risk factors and treatment options.

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What is it?

Diverticular disease affects the colon (the large intestine that removes waste from your body). It’s made up of 2 conditions: 

  • Diverticulosis occurs when pouches, called diverticula, form in the colon. These diverticula bulge out like weak spots in a tire. 
  • Diverticulitis occurs when one or more diverticula become inflamed or infected.

Symptoms

Symptoms of diverticulitis and diverticulosis include:

  • Asymptomatic (no symptoms) 
  • Abdominal pain or discomfort 
  • Abdominal tenderness 
  • Fever

When to see a doctor

For many people, diverticula does not cause problems. However, if diverticulitis does develop, it can cause significant pain. Severe cases may require surgery. If you have concerns about your symptoms or if they persist, it’s time to see a doctor.

Causes and risk factors

The exact cause of diverticular disease is unclear. Risk factors for developing diverticulosis and diverticulitis include:

  • Beginning at age 40, your chance of getting diverticular disease increases every 10 years
  • Low-fiber diet 

Treatment options

If you have diverticulosis and diverticulitis, treatment may include the following:

  • Eating foods high in fiber 
  • Pain medications
  • Antibiotics
  • Surgery

Testing

Your doctor can help you determine if you have diverticular disease. They may recommend the following tests or procedures:

  • Blood tests
  • Imaging tests (ultrasound, x-ray, CT scan, MRI scan)

Prevention

It may not be possible to prevent diverticular disease. However, maintaining a diet high in fiber — especially grain fiber — may help.

Additional conditions

Gallbladder Disease and Gallstones

Liver Cancer

Peptic Ulcer Disease