Diverticulosis and Diverticulitis: What You Need to Know

Learn how to identify and avoid the symptoms of diverticular disease, one of the most common colon conditions.

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By age 60, 60% of Americans will have diverticulosis, but most of them don't know it. Diverticular disease, which includes both diverticulosis and diverticulitis, may be asymptomatic, but it can also cause severe abdominal pain, bleeding, infection and even death. Learn everything you need to know about these colon conditions and see if they could explain your abdominal woes.

What are diverticulosis and diverticulitis?
As their similar-sounding names suggest, diverticulitis and diverticulosis are related (but separate) conditions. Diverticulosis occurs when small pouches form in the walls of the colon. Though these pouches can break blood vessels and cause painless bleeding, they are generally not inflamed or infected. In diverticulitis, however, pieces of stool become trapped in these pouches, and the tissue becomes inflamed and can even burst, causing serious inflammation and infection in your abdomen.

How do I know if I have diverticulosis or diverticulitis?
Diverticulosis often has no symptoms, but may cause bloating or cramping in the lower abdomen. Some people may also notice blood in their stool or on the toilet paper. The most common way people are diagnosed with diverticulosis is during routine colonoscopy screening. Any rectal bleeding should prompt you to see a doctor, but diverticulosis is usually not an emergency unless you notice a large volume of blood in your stool.

The symptoms of diverticulitis are usually much more severe. Either suddenly or over the course of several days, you may notice pain and tenderness (often on the left lower side of the abdomen, though it may also be on the right), bloating, gas, fevers and chills, nausea, vomiting or loss of appetite. If you have these symptoms, you should seek medical care right away as diverticulitis can be life threatening.

What causes diverticulosis and diverticulitis?
While the exact cause is unknown, physicians believe a major cause of diverticulosis is increased pressure in the colon – namely, constipation. The more you strain to move your bowels, the more stress you put on your colon's walls and the weaker they become. A low-fiber diet is a major risk factor for both constipation and diverticulosis/diverticulitis.

The nuts and berries myth: For years, doctors warned patients with diverticulosis not to eat nuts, seeds and berries, thinking that these particles could get stuck in the pouches and cause diverticulitis. This has been proven to be incorrect, and eating these foods (which are often high in fiber) may actually decrease your diverticulitis risk.

What should I do to lower my risk?
Eat more fiber:
Foods like fruits, veggies and whole grains make stool easier to pass and will decrease stress on your colon. It's easy to add fiber into your diet – for example, half a cup of navy beans has almost 10 grams of fiber, a small pear has 5 grams and a cup of sweet potato with the skin has 7 grams of fiber. Aim for 25 to 40 grams of fiber a day.

Drink plenty of fluids: This keeps your bowels moving smoothly.

Exercise regularly: This promotes normal bowel function and reduces pressure in the colon.

When you gotta go, go:
Delaying bowel movements makes stool harder and more difficult to pass.

Squat, don't sit: A squatting position is a more stress-free way to poop, since it helps straighten the rectum and reduces straining. Keep a box in the bathroom to put your feet on while you're on the toilet – this can help you simulate a squat.