Appendix Location: Common Pain Areas and Symptoms to Watch For

Overview

Many of us associate our appendix with nothing until we have an issue with it. Appendicitis is one of the most frequent of all surgical emergencies globally. Yet, many of us are unclear where the appendix is placed, what it is supposed to do, or what makes it problematic. Understanding both where your appendix pain is likely to develop and what it feels like can help you recognize symptoms early and seek appropriate care when needed  

What Is the Appendix?

The appendix is a small tubular pouch (5–10 cm) of tissue that connects to the end of the large intestine (the colon). It sits at the point at which the large intestine meets the small intestine. Adults typically possess an appendix approximately 5-10 cm in length; however, each individual's appendix size can vary.

Historically, the appendix was thought to be a vestigial organ without functional importance. Newer studies suggest that it may aid in supporting bacteria in the gut and the immune system throughout childhood. Nonetheless, regardless of whether it exists or not, the human body still operates properly so as to remove it via surgery when it becomes infected or sick.

Where Is the Appendix Located?

The appendix sits in the lower right part of your abdomen. Specifically, it is located next to the cecum (the first section of the large intestine), and there is a specific anatomical landmark referred to as McBurney’s point (approximately two-thirds down between the navel and the right hipbone) utilized to locate it.

Although the appendix doesn't sit in the same place for everyone. The tip of the appendix can face in multiple ways depending on the anatomy of an individual. Additionally, the location of the appendix can shift during pregnancy as the uterus expands. Because of this variable placement, Appendicitis isn’t always felt in the same location among different individuals.

Common Appendix Pain Location

Appendicitis pain usually starts close to your navel. At this stage, the pain is typically dull and crampy, and many people confuse it with typical stomach upset or indigestion. Over a couple of hours, the pain will move to the lower right region of your abdomen and become sharp and localized. This is also where most people report feeling their greatest amount of pain while experiencing appendicitis. Movement, deep breaths, coughing, or applying pressure to the affected area typically increase the severity of your pain. Doctors utilize a clinical sign called rebound tenderness to evaluate appendicitis. Rebound tenderness refers to increased pain upon releasing pressure on your lower right abdomen instead of during application of pressure. Increased pain upon release indicates swelling around the appendix, prompting additional evaluation.

Appendix Pain Location in Different People

Even though the Classic localization of appendix pain is the lower right abdomen, individuals experience it differently.

Appendix Pain Location in Pregnant Women 

In pregnant females, as the pregnancy advances and the uterus continues to expand, it displaces the appendix upward. Therefore, in late pregnancy (second & third trimester), Appendicitis pain may be experienced in the middle of your abdomen or upper right region. As such, Appendicitis pain may be more easily confused with various other pregnancy-related complaints.

Appendix Pain Location in Children

Children experience more generalized and difficult-to-localize pain compared to adults. Children under age six especially have a hard time describing where their pain resides, and their entire abdomen can feel painful or sore.

Appendix Pain Location in Adults

Older adults may experience milder symptoms of Appendicitis. Older adults may experience less severe pain, lower fevers, and/or milder overall presentations of appendicitis. Due to decreased intensity of their symptoms, older adults are more likely to delay seeking medical attention.

Retrocecal Appendix

Individuals who possess a retrocecal appendix (an appendix positioned behind the cecum) may experience flank/back pain vs. Front Abdominal pain. Retrocecal positioning accounts for nearly half of the total population and is associated with delayed diagnosis.

Symptoms of Appendix Problems

Pain is the primary symptom; however, Appendicitis typically involves a group of secondary signs/symptoms that coexist. Common secondary signs/symptoms include:

• migratory pain (pain starting above your navel, then moving toward your lower right abdomen)
• Nausea/vomiting
• Loss of appetite
• Low-grade fever that may escalate as the condition progresses
• Tightness/bloating in your abdomen
• Absence/ Inability to pass gas
• Diarrhea/constipation (depending on the case)

When you have migratory pain combined with nausea and low-grade fever, you should seek urgent medical care rather than waiting for symptoms to improve  

Conditions That Affect the Appendix

Appendicitis is just one form of a condition affecting the appendix.

Appendicitis results when a blockage forms inside your appendix and subsequently leads to inflammation. The blockage is formed by either hardened stool, a buildup of mucus, or swollen lymph nodes resulting from an infection. If left untreated, your appendix can rupture and spill bacteria into your abdominal cavity, producing life-threatening infections referred to as peritonitis.

Abscess

If your ruptured appendix creates enough space for surrounding tissues to grow around it and isolate it from further spreading, an abscess develops. The isolation process produces a sac containing pus. Typically, an abscess requires drainage and antibiotics prior to surgery occurring.

Tumors

Rarely do tumors develop within your appendix. The most common are slow-growing carcinoid tumors, which are frequently found during surgery for unrelated reasons once they have grown large enough. Mucinous neoplasms and pseudomyxoma peritonei (when mucin spreads throughout your abdominal cavity upon rupture) represent two other types of tumors.

Chronic Appendicitis

A much rarer condition than acute Appendicitis is chronic appendicitis. Chronic appendicitis represents a state in which your appendix experiences repeated bouts of inflammation. These bouts create recurring episodes of right-sided abdominal pain that can be confused with other gastrointestinal disorders.

Can You Live Without Your Appendix?

You won’t experience any negative effects on your health long-term after having your appendix surgically removed. In fact, an appendectomy is one of the most common abdominal surgeries worldwide, and most patients resume their previous activity level within 2–4 weeks after undergoing a simple laparoscopic appendectomy.  Removal of the appendix generally does not affect long-term health or require dietary changes for most patients. 

Additionally, although research is limited regarding this subject matter, some scientists believe that one possible benefit provided by the appendix is replenishing good bacteria in your intestinal tract after a GI infection. Regardless of whether it provides benefits or not, your body has been shown to compensate adequately for its presence or lack thereof regarding providing optimal health in otherwise healthy individuals.

References

Alvarado, A. (1986). A practical score for the early diagnosis of acute appendicitis. Annals of Emergency Medicine, 15(5), 557–564.

Paulson, E. K., Kalady, M. F., & Pappas, T. N. (2003). Suspected appendicitis. New England Journal of Medicine, 348(3), 236–242. 

van Randen, A., Bipat, S., Zwinderman, A. H., Ubbink, D. T., Stoker, J., & Boermeester, M. A. (2008). Acute appendicitis: Meta-analysis of diagnostic performance of CT and graded compression US related to prevalence of disease. Radiology, 249(1), 97–106. 

Vermeeren, L., Schots, M., & Vriens, M. R. (2017). Atypical presentations of acute appendicitis. Netherlands Journal of Medicine, 75(4), 140–145. 

Wakeley, C. P. G. (1933). The position of the vermiform appendix as ascertained by an analysis of 10,000 cases. Journal of Anatomy, 67(Pt 2), 277–283.