Symptoms and Signs of Diverticulitis and Diverticulosis Diet, Symptoms, Causes, and Treatment

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Medically Reviewed on 3/11/2019

Doctor's Notes on Diverticulitis and Diverticulosis Diet, Symptoms, Causes, and Treatment

Diverticulitis is inflammation of the small outpouchings, known as diverticuli, in the wall of the large intestine (colon). Diverticulosis refers to the presence of having diverticuli, and diverticulitis is the condition in which these diverticuli become irritated or inflamed. Diverticulosis increases with age due to a weakening of the walls of the colon over time. Increased pressure within the colon, such as with constipation, also promotes the formation of diverticuli. Once diverticulosis is present, it often becomes inflamed and progresses to diverticulitis.

Signs and symptoms associated with diverticulitis include pain in the left lower abdomen, nausea, vomiting, constipation, fever, and sometimes diarrhea or frequent urination. Other signs and symptoms can include rectal bleeding and tenderness in the left lower abdomen.

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REFERENCE:

Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.