The sigmoid colon is located on the left side ... in people who have a normally functional immune system and mild, uncomplicated acute diverticulitis. As such, not all cases require antibiotics.

Dr Grant replies: Often during a camera test into the colon (known as a colonoscopy), many sac-like protrusions of the colonic mucosa are found and the term given to describe them is diverticula.

While we did experience some mild digestive discomfort ... material more quickly through the colon. This makes it an excellent choice for those with diverticulosis. While we have had a positive ...