Developing pouchlike structures in the colon wall is known as diverticulosis. This condition is usually harmless. But in up to a quarter of people with diverticulosis, the pouches can become inflamed, get infected, or bleed, a problem known as diverticulitis. Getting adequate dietary fiber helps prevent flare-ups of infection or bleeding. Add fiber gradually as either fiber-rich foods or a supplement, and drink plenty of water with it. If diverticulitis flares up, seek medical care promptly.
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