Diverticulitis is the inflammation, and sometimes infection, of diverticula—small, protruding pockets that can form in the lining of your digestive tract. Diverticula typically form when your colon becomes weakened by pressure, though they’re usually so benign that most people are unaware they have them. As with most intestinal diseases, an imbalance in the gut’s microbiome is thought to be a contributing factor.
