Our Services
Medical Information
Helpful Resources
Published on: 9/24/2026
The appendix is a small, finger-shaped pouch attached to the lower right end of the large intestine, sitting in the lower right area of the abdomen near where the small and large intestines meet. Appendix pain, often from appendicitis, usually starts as a dull ache near the belly button and then shifts to sharp, worsening pain in the lower right abdomen, sometimes with nausea, fever, loss of appetite, or pain that intensifies when you cough, walk, or press on the area. Position can vary, and pregnancy, childhood, or an atypically placed appendix may cause pain in the upper abdomen, back, or pelvis instead, so several important factors are worth reviewing below. Because appendicitis can become a surgical emergency within hours, knowing whether your pain pattern fits is time sensitive. Take a free, instant, online symptom check to see how your specific symptoms line up with appendicitis and other possible causes, and get clear guidance on what to do next.
Last reviewed for medical accuracy: 09/24/2026
The appendix is a small, tube-shaped pouch attached to the large intestine. Although its exact role in the body is still under study, doctors believe it may help:
Because the appendix sits in the lower right side of your abdomen, it can cause pain when inflamed—a condition known as appendicitis.
Understanding exactly where the appendix sits can help you recognize when something might be wrong. Here’s a simple breakdown:
An easy way to find the general area is to draw an imaginary line from your right hip bone (anterior superior iliac spine) to your belly button. The appendix usually lies about two-thirds of the way down that line.
Appendicitis pain often follows a pattern. Understanding these stages can help you recognize if you need medical attention:
Early Discomfort
Migration to Lower Right Abdomen
Worsening Symptoms
Appendicitis doesn’t always look the same in every person. Besides pain, you might notice:
Children, older adults, and pregnant people may have atypical symptoms or pain in slightly different areas. If you suspect appendicitis in someone who can’t clearly explain their pain, watch for restlessness, persistent crying in infants, or sudden behavior changes.
Appendicitis is one of the most common causes of emergency abdominal surgery. If not treated quickly, an inflamed appendix can:
Early diagnosis and removal of the appendix (appendectomy) greatly reduce risks and speed up recovery. In some cases, doctors treat uncomplicated appendicitis with antibiotics alone, but surgical removal remains the most common approach.
If you’re unsure whether you have appendicitis or another problem, you can start with a quick, free, online evaluation. Consider a free, online symptom check, using the doctor approved Ubie Symptom Checker. It can guide you on next steps and help you decide if you need urgent care.
Not all abdominal pain is appendicitis, but certain warning signs mean you should get medical attention right away:
If you experience any of these, contact a healthcare provider or go to the nearest emergency department. Time is critical if your appendix is about to rupture.
Medical History & Physical Exam
Laboratory Tests
Imaging Studies
Diagnosis & Treatment Plan
Most people recover fully with no lasting issues once the appendix is removed.
It’s natural to feel uneasy when you experience abdominal pain. Here’s how to stay calm but proactive:
If you experience severe or worsening symptoms, please speak to a doctor or visit the nearest emergency department to rule out serious conditions. Your health and safety come first.
(References)
* Di Sebastiano P, Fink T, di Mola FF, Weihe E, Innocenti P, Friess H, Büchler MW. Neuroimmune appendicitis. Lancet. 1999 Aug 7;354(9177):461-6. doi: 10.1016/S0140-6736(98)10463-4. PMID: 10465170.
* Giuliano V, Giuliano C, Pinto F, Scaglione M. Chronic appendicitis "syndrome" manifested by an appendicolith and thickened appendix presenting as chronic right lower abdominal pain in adults. Emerg Radiol. 2006 Mar;12(3):96-8. doi: 10.1007/s10140-005-0452-x. Epub 2006 Jan 11. PMID: 16404625.
* Barrier BF, Frazier SR, Brennaman LM, Taylor JC, Ramshaw BJ. Catamenial appendicitis. Obstet Gynecol. 2008 Feb;111(2 Pt 2):558-61. doi: 10.1097/01.AOG.0000286770.79766.95. PMID: 18239022.
* Stringer MD. Acute appendicitis. J Paediatr Child Health. 2017 Nov;53(11):1071-1076. doi: 10.1111/jpc.13737. Epub 2017 Oct 17. PMID: 29044790.
* Gietzen CH, Schlag S, Veldhoen S. Die Appendixinvagination als seltene Differenzialdiagnose des akuten Abdomens im Kindesalter. Rofo. 2021 Aug;193(8):961-962. doi: 10.1055/a-1388-7922. Epub 2021 Mar 26. PMID: 33772493.
* Puťoš M, Havlůj L. Acute appendicitis in supraumbilical hernia. Rozhl Chir. 2022 Fall;101(10):504-507. doi: 10.33699/PIS.2022.101.10.504-507. PMID: 36402563.
* Dyrved L, Perregaard H. Uterine rupture during vaginal birth misinterpreted as acute appendicitis postpartum. Ugeskr Laeger. 2023 Oct 23;185(43). PMID: 37921111.
* Khalifa M, Elhassan E, Abdel Rahim S. Schistosomal appendicitis: a case report. J Med Case Rep. 2024 Jun 19;18(1):283. doi: 10.1186/s13256-024-04610-3. Epub 2024 Jun 19. PMID: 38890741; PMCID: PMC11186244.
* Kiracı M, Akturk Esen S, Turkay DO, Kos FT. Pembrolizumab related perforated appendicitis. J Oncol Pharm Pract. 2024 Dec;30(8):1455-1459. doi: 10.1177/10781552241271026. Epub 2024 Aug 2. PMID: 39095043.
* Salminen P, Haijanen J, Minneci PC, Davidson GH, Boermeester MA, Livingston E, Andersson RE, Lee KH, Flum D. Appendicitis. Nat Rev Dis Primers. 2025 Nov 13;11(1):79. doi: 10.1038/s41572-025-00659-6. Epub 2025 Nov 13. PMID: 41233355.
We would love to help them too.
For First Time Users
We provide a database of explanations from real doctors on a range of medical topics. Get started by exploring our library of questions and topics you want to learn more about.
Was this page helpful?
Purpose and positioning of servicesUbie Doctor's Note is a service for informational purposes. The provision of information by physicians, medical professionals, etc. is not a medical treatment. If medical treatment is required, please consult your doctor or medical institution. We strive to provide reliable and accurate information, but we do not guarantee the completeness of the content. If you find any errors in the information, please contact us.