The presence of abdominal pain combined with a fever is often enough to make a physician strongly suspect diverticulitis. Most people with a mild or moderate case of diverticulitis report a persistent low-grade temperature. However, a rapidly rising fever can indicate that a more severe infection is present and should be evaluated by a physician as soon as possible. Elevating core temperature is one of the human body's natural defenses against an infection in any area. By raising the temperature, the body is attempting to create a hostile environment for the bacteria responsible for the infection and inhibit their growth and multiplication.Next