4Diverticulitis is a circumstance that influences the digestive tract. It causes inflamed pouches in the lining of the gut. These pouches are called diverticula.Diverticula develop when vulnerable spots in the intestinal wall supply manner under pressure, inflicting sections to bulge out.When diverticula broaden, the character has diverticulosis. When the diverticula grow to be inflamed or inflamed, this is known as diverticulitis.