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Published on: 2/27/2026
Right lower abdominal pain that starts near the belly button, shifts to the lower right, worsens over 12 to 24 hours, and is joined by fever, nausea, vomiting, or pain with movement can signal appendicitis and needs prompt medical evaluation; if severe or worsening, go to urgent care or the ER.
There are several factors to consider, including other possible causes, how symptoms progress, who is higher risk, how doctors diagnose, and which treatments or do‑nots apply; see the complete guidance below to choose the safest next steps.
Pain on your right side—especially your lower right abdomen—can be unsettling. One of the first concerns many people have is appendicitis. That concern isn't unreasonable. Appendicitis is a common and potentially serious condition that usually requires prompt medical treatment.
But not every stomach ache is appendicitis.
Understanding appendicitis symptoms, how they typically progress, and what to do next can help you make informed decisions without unnecessary panic.
Appendicitis is inflammation of the appendix—a small, finger-shaped pouch attached to the large intestine in the lower right side of your abdomen.
When the appendix becomes blocked (often by stool, swelling, or infection), bacteria can multiply quickly. This causes inflammation, swelling, and sometimes rupture if untreated. A ruptured appendix can lead to a serious infection in the abdomen called peritonitis.
This is why recognizing appendicitis symptoms early matters.
One classic feature of appendicitis is how the pain moves.
Many people report:
However, not everyone experiences textbook symptoms. Pain location can vary depending on age, pregnancy, or the exact position of the appendix.
According to widely accepted medical guidance, the most common appendicitis symptoms include:
The pain typically gets worse over 12–24 hours.
If the appendix ruptures, symptoms may temporarily improve before suddenly worsening. This is dangerous and requires emergency care.
People often describe appendicitis pain as:
Unlike mild digestive discomfort, appendicitis pain does not usually come and go. It tends to steadily intensify.
Many other conditions can cause right-sided abdominal pain, including:
These conditions may cause discomfort, but the pain often improves, shifts, or behaves differently than appendicitis pain.
For example:
Still, it can be hard to tell the difference on your own.
Appendicitis can happen at any age, but it's most common between ages 10 and 30.
Certain groups may have less obvious symptoms:
In these groups, diagnosis can be delayed because symptoms may not follow the classic pattern.
You should seek urgent medical attention if you experience:
Appendicitis is not something to "wait out" if symptoms are progressing. Early treatment significantly reduces complications.
A doctor may use:
Diagnosis is based on a combination of symptoms, exam findings, and imaging—not just pain alone.
The standard treatment for appendicitis is surgical removal of the appendix (appendectomy). This can often be done laparoscopically (minimally invasive surgery), allowing for faster recovery.
In select cases of mild appendicitis, antibiotics may be considered first. However, surgery remains the most definitive treatment and prevents recurrence.
Most people recover fully within a few weeks after surgery.
If you suspect appendicitis:
Pain that continues to intensify needs medical evaluation.
If you're unsure whether your symptoms match appendicitis, taking a few minutes to evaluate your risk can provide helpful clarity and peace of mind.
Use a free Acute Appendicitis symptom checker to quickly assess whether your symptoms align with typical appendicitis patterns and whether you should seek urgent care.
However, a symptom checker is not a diagnosis. It should never replace professional medical evaluation if symptoms are severe or worsening.
Appendicitis often progresses within 24–72 hours. In some cases, rupture can occur within 48 hours of symptom onset.
That's why timing matters.
If pain is intensifying, spreading, or accompanied by fever and vomiting, do not delay evaluation.
True appendicitis rarely resolves permanently without treatment. While symptoms may temporarily improve, the underlying infection often returns or worsens.
Delaying treatment increases the risk of:
Early treatment leads to better outcomes.
You should take right-sided abdominal pain seriously if it:
At the same time, not all abdominal pain is appendicitis. Many causes are minor and self-limited.
The key is paying attention to progression.
If symptoms are mild and stable, monitoring them for several hours may be reasonable. If they intensify, seek care promptly.
If you think you may have appendicitis symptoms, speak to a doctor as soon as possible. Appendicitis can become life-threatening if untreated, but it is highly treatable when caught early.
If pain is severe, worsening, or accompanied by fever or vomiting, go to urgent care or the emergency room.
When in doubt, it is always safer to get checked.
Your body gives warning signs for a reason. Listen to them—and don't hesitate to seek medical care when something feels wrong.
(References)
* Salminen P, et al. Acute Appendicitis: Review of Current Literature. World J Surg. 2022 Mar;46(3):477-484. doi: 10.1007/s00268-021-06411-x. Epub 2021 Dec 21. PMID: 34931089.
* Mandeville KL, et al. Diagnosis and Management of Acute Appendicitis: An Update for Surgeons. JAMA Surg. 2021 Nov 1;156(11):1052-1059. doi: 10.1001/jamasurg.2021.3653. PMID: 34520935.
* Anagnostis P, et al. Acute right lower quadrant pain: A systematic review and meta-analysis of diagnostic accuracy for appendicitis. J Clin Med. 2020 Nov 16;9(11):3649. doi: 10.3390/jcm9113649. PMID: 33215984.
* Smith RS, et al. The American Association for the Surgery of Trauma (AAST) Emergency Surgery Course (ESC) guidelines for the management of acute appendicitis. Trauma Surg Acute Care Open. 2023 Aug 24;8(1):e001150. doi: 10.1136/tsaco-2022-001150. PMID: 37626359.
* Podda M, et al. Diagnosis and Management of Acute Appendicitis in Adults: A Systematic Review. Front Surg. 2020 Jan 20;7:1. doi: 10.3389/fsurg.2020.00001. PMID: 32017355.
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