The appendix is a small tube-like organ attached to the end of the large intestine, near where the small intestine meets it. Modern research suggests it plays a role in intestinal health and immune ...

Acute appendicitis is the sudden and severe inflammation of the appendix. It can cause pain in the abdomen, and this pain may occur quickly and worsen within hours. The appendix is a narrow tube that ...

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.