Belly pain
Lower Right Abdominal Pain: When Appendicitis Needs Emergency Evaluation
Pain low on the right side of your belly can be appendicitis. Here are the signs that mean you should be checked now.
By the Eastex Emergency Room team · Updated · 4 min read
Pain in the lower right part of your belly that is getting worse over several hours, especially with fever, vomiting or loss of appetite, should be checked in an emergency room the same day. These are classic features of appendicitis, which usually needs surgery.
Not every pain in that spot is appendicitis. Gas, constipation, ovarian problems, kidney stones and infections can cause it too. The point is not to diagnose yourself but to know which patterns should not wait until morning.
Lower right belly pain that keeps getting worse?
Eastex ER is open now in Beaumont with lab testing and CT and ultrasound imaging listed on site. Walk in any time.
Eastex Emergency Room · 5550 Eastex Fwy, Suite C, Beaumont, TX 77708 · Open 24/7
Quick answer
Go to the ER today for lower right belly pain that is steadily worsening, hurts more when you move, cough or go over bumps, or comes with fever, vomiting or loss of appetite. In children, also watch for refusing to eat, walking bent over, or a fever with belly pain.
The typical appendicitis pattern
Appendicitis often starts as a vague ache around the belly button. Over several hours the pain moves to the lower right side and becomes sharper and more constant. Many people lose their appetite, feel sick or vomit, and develop a low fever. Moving, coughing or riding over bumps in the car makes it worse.
Not everyone follows this pattern. Children, older adults and pregnant people often have less typical symptoms, and the pain may be felt higher or in the back if the appendix sits in an unusual position.
Other causes of lower right abdominal pain
- Gas, constipation or a stomach bug. Usually crampy, comes and goes, and improves with time.
- Ovarian cysts or ovarian torsion. Sudden one-sided pelvic pain, sometimes with vomiting. Torsion is an emergency.
- Ectopic pregnancy. One-sided pain with a missed period or a positive test needs emergency care.
- Kidney stone or infection. Pain often in the side or back, with urinary symptoms.
- Hernia, inflammatory bowel disease or other bowel problems.
Because these overlap, the emergency evaluation looks for all of them.
Worried it is your appendix?
An exam, lab tests and imaging can answer the question. Eastex ER is open 24/7 on Eastex Freeway.
Eastex Emergency Room · 5550 Eastex Fwy, Suite C, Beaumont, TX 77708 · Open 24/7
Warning signs that mean go now
- Pain that keeps getting worse over hours
- Pain that is worse with walking, coughing or jumping
- Fever, vomiting or not wanting to eat
- A belly that is hard or very tender to touch
- Pain that suddenly spreads across the whole belly
- Pregnancy, or a possible pregnancy, with one-sided pain
- A child who will not walk upright, play or eat because of belly pain
If pain suddenly eases and then the whole belly becomes very painful, the appendix may have burst. That needs emergency care right away.
What happens in the ER
The physician asks how the pain started and moved, examines your belly, and may order:
- Blood tests for signs of infection
- A urine test, and a pregnancy test when relevant
- Imaging, often a CT scan in adults, or ultrasound, which is often tried first in children and pregnancy
- Pain and nausea medicine, and IV fluids if you are dehydrated
If appendicitis is confirmed or strongly suspected, you will need a surgeon. Eastex ER is a freestanding emergency room and does not perform appendectomies. The team stabilizes you, starts treatment and arranges transfer to a hospital with surgical care.
Before you go: what not to do
- Do not take laxatives or use enemas for severe belly pain.
- Avoid eating a big meal in case you need surgery.
- Do not apply heat to a belly you think might be appendicitis.
- If you take pain medicine, tell the doctor what and when.
See our general page on abdominal pain emergency care for belly pain in other locations.
Key takeaways
- Appendicitis pain often starts near the belly button and moves to the lower right side over hours.
- Worsening pain with fever, vomiting or loss of appetite needs same-day emergency care.
- Other causes, including ovarian and pregnancy problems, can feel similar and need emergency evaluation too.
- Eastex ER can evaluate and stabilize, and arranges transfer to a hospital for surgery when needed.
Frequently asked questions
How do I know if lower right belly pain is my appendix?
You cannot be sure at home. Pain that moves to the lower right, worsens over hours, and comes with fever, vomiting or loss of appetite is concerning and should be checked in an ER.
Can appendicitis pain come and go?
Appendicitis pain usually becomes steadily worse rather than coming and going. Pain that comes and goes is more often gas or cramping, but any pain that is getting worse should be checked.
How long can I wait with appendicitis symptoms?
Do not wait. The longer appendicitis goes untreated, the higher the risk of the appendix bursting.
Does appendicitis always cause a fever?
No. Fever is common but may be low or absent, especially early on.
Can urgent care diagnose appendicitis?
Urgent care can examine you, but imaging and blood tests are usually needed, so suspected appendicitis is best evaluated in an emergency room.
Will Eastex ER do my surgery?
No. Eastex ER does not perform surgery. If you need an appendectomy, the team arranges transfer to a hospital.
Sources
- MedlinePlus: Appendicitis (accessed November 12, 2026)
- NIDDK: Appendicitis (accessed November 12, 2026)
- MedlinePlus: Abdominal pain (accessed November 12, 2026)
This article is general health information, not a diagnosis, and reading it does not create a doctor-patient relationship. If you have a medical emergency, call 911.