Ask a Doctor: What is the appendix, and what does it do?

Ask a Doctor: What is the appendix, and what does it do?

October 3rd, 2017 by Dr. Benjamin Kellogg in Life Entertainment

Q: What is the appendix, and what does it do?

A: The appendix is a small, finger-shaped pouch attached to the start of the large intestine on the lower right side of the abdomen. Its job is to protect good bacteria in the gut. Most people only think about their appendix when it becomes inflamed, requiring an emergency procedure to have it removed.

This inflammation of the appendix is called appendicitis. It's a medical emergency that can quickly evolve into a life-threatening situation if not treated right away. Without treatment, an inflamed appendix can rupture and cause a potentially fatal infection.

Dr. Benjamin Kellogg, University Surgical Associates

Dr. Benjamin Kellogg, University Surgical Associates

Photo by Contributed Photo /Times Free Press.

Appendicitis is usually caused by a blockage of fecal matter inside the appendix. The lining of the appendix and the intestines work to fight bacterial infections and can swell, leading to the obstruction. Symptoms of appendicitis are wide-ranging — what starts with bloating and pain around the belly button routinely moves to the lower right side of the stomach and becomes sharp and continuous. Your belly will most likely be tender to the touch, and sneezing, coughing, deep breathing or sudden movements can cause the pain to intensify.

Appendicitis is serious and can result in death without timely treatment. An inflamed appendix can rupture in two to three days after symptoms begin. Even if your symptoms aren't typical (i.e. stabbing abdominal pain), you need to act quickly. Because a ruptured appendix can spill dangerous organism throughout the abdomen, it's important to see a doctor as soon as possible.

— Dr. Benjamin Kellogg, University Surgical Associates; member, Chattanooga-Hamilton County Medical Society

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