Untreated appendicitis may cause your appendix to rupture (burst), resulting in an infection. Symptoms associated with a ruptured appendix include severe abdominal pain, fever, chills, and weakness.

Appendicitis progresses through four stages: simple (inflammation without complications), suppurative (inflammation with pus and ulcers), gangrenous (tissue death), and perforated (ruptured appendix).

Symptoms of appendicitis may require emergency medical attention. Without immediate care, the appendix can burst. A burst appendix releases bacteria and pus, which can cause severe complications. The ...