What Body Systems Does Diverticulitis Affect?
What Body Systems Does Diverticulitis Affect? Diverticulitis usually affects the large intestine (colon). Left lower abdominal pain, tenderness, and fever are the typical symptoms. Does diverticulosis affect your immune system? Diverticulitis: Symptoms If the damage is severe enough, a tiny perforation develops in the wall of the sac, allowing bacteria to infect the surrounding tissues.