How is diverticulosis treated?

People Emergency treatment, including surgery, may be needed when the antibiotics do not work, and in cases of a large abscess, perforation, peritonitis, or continued rectal bleeding.

If there is an abscess, the doctor may need to drain the fluid by inserting a needle into the infected area. Sometimes surgery is needed to clean the abscess and remove part of the colon.

If the infection spreads into the abdominal cavity (peritonitis), surgery is needed to clean the cavity and remove the damaged part of the colon. Infection can lead to scarring of the colon, and the scar tissue may cause a partial or complete blockage. A complete blockage requires surgery, although a partial blockage does not.

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