Appendicitis (inflammation of the appendix) requires immediate medical attention. So it's important to know its symptoms — and how they differ from a run-of-the-mill stomachache — so you can get medical care right away if your child has them.
The first symptoms of appendicitis usually are a mild fever and pain around the bellybutton. The pain usually worsens and moves to the lower right side of the belly. Vomiting, nausea, and loss of appetite are other common symptoms.
Call your doctor immediately if you suspect that your child has appendicitis. The earlier it's caught, the easier it will be to treat.
The appendix is a small finger-like organ that's attached to the large intestine in the lower right side of the abdomen. The inside of the appendix forms a cul-de-sac that usually opens into the large intestine.
When the appendix is blocked, it becomes inflamed and bacteria can overgrow in it. Blockage can be due to hard rock-like stool (called a fecolith), inflammation of lymph nodes in the intestines, or even infections like parasites.
If the infected appendix isn't removed, it can burst and spread bacteria. The infection from a ruptured appendix is very serious — it can form an abscess (an infection of pus) or spread throughout the abdomen (this type of infection is called peritonitis).
Appendicitis mostly affects kids and teens between 10 and 20 years old, and is rare in infants. It's one of the most common reasons for emergency abdominal surgery in kids. Appendicitis is not contagious.
Call the doctor immediately if your child shows symptoms of appendicitis, including:
- significant abdominal pain, especially around the bellybutton or in the lower right part of the abdomen (perhaps coming and going and then becoming consistent and sharp)
- low-grade fever
- loss of appetite
- nausea and vomiting
- diarrhea (especially small amounts, with mucus)
- swollen or bloated abdomen, especially in infants
There is no way to prevent appendicitis, but with the right diagnostic tests and antibiotics, most cases are identified and treated without complications.
If appendicitis is not treated, the inflamed appendix can burst 24 to 72 hours after the symptoms begin. If the appendix does burst, the pain may spread across the whole abdomen and the child's fever may be very high, reaching 104ºF (40ºC).
The symptoms of appendicitis can vary according to a child's age. In kids 2 years old or younger, the most common symptoms are vomiting and a bloated or swollen abdomen, accompanied by pain.
If you suspect that your child has appendicitis, call your doctor immediately and don't give your child any pain medicine or anything to eat or drink unless instructed to by the doctor.
Because the symptoms of appendicitis can be so similar to those of other medical conditions (like kidney stones, pneumonia, or even a urinary tract infection), it's often a challenge for doctors to diagnose it.
To confirm or rule out appendicitis, a doctor will examine the abdomen for signs of pain and tenderness, and order blood and urine tests. The doctor also might order other tests, like an X-ray of the abdomen and chest, ultrasound, or a CAT scan. If the doctor suspects appendicitis, you may be told to stop giving your child any food or liquids in order to prepare for surgery.
Appendicitis is treated by removing the inflamed appendix through an appendectomy. Surgeons usually either make a traditional incision in the abdomen or use a small surgical device (a laparoscope) that creates a smaller opening. An appendectomy usually requires a 2- to 3-day hospital stay.
Before and after surgery, intravenous (IV) fluids and antibiotics will help prevent complications and decrease the risk for wound infections after surgery. If needed, your child will receive pain medicine.
An infected appendix that bursts also will be removed surgically but might require a longer hospital stay to allow antibiotics to kill any bacteria that have spread into the body.
Reviewed by: Yamini Durani, MD
Date reviewed: May 2015
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