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 ...

We’re all familiar with the fact that we have an organ called an appendix—and more importantly that it can cause some scary trips to the ER. But does anyone know what the eff an appendix actually is?

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.