Appendicitis: Warning Signs, Symptoms and Treatment Options

Appendicitis Symptoms

Appendicitis does not always begin with dramatic pain — it can begin gradually and worsen over time. It often begins as pain located near the belly button, spreading to the right lower quadrant as it intensifies. Pain is the most common symptom but other symptoms may include:

• Nausea, vomiting, diarrhea
• Loss of appetite
• Low-grade fever, chills
• Constipation
• Trouble passing gas

Not everyone with appendicitis experiences the same symptoms. The classic pattern is pain in the right lower quadrant, but presentation can vary. For example, older adults may have mild symptoms, which can make timely diagnosis difficulty.

Signs of rupture include fever, intense pain, and a rigid abdomen. If you have developed abdominal pain that continues to get worse, do not delay care—go to the emergency room immediately.

What Causes Appendicitis?

Appendicitis usually happens when something blocks the opening of the appendix, allowing bacteria to build up inside. Without treatment, the appendix can rupture and spread infection into the abdomen. Risk factors include:

• Hardened, retained stool
• Swelling from GI infection
• Food material which is hard to digest (seed, pits)
• Nearby tissue pressing on the appendix

Appendicitis can happen suddenly, even in people who are healthy. It can affect anyone, although it most often affects people ages 10 to 30.

How Is Appendicitis Diagnosed?

If your physician thinks you have appendicitis, they will talk with you about your symptoms and do a careful physical exam. They may gently press on your abdomen to check for tenderness, especially on the lower right side.

Your physician may order tests to rule out other causes and confirm what is going on. These may include:

• Blood tests to look for signs of infection
• Urine tests to help rule out a urinary tract infection or kidney stone
• Imaging tests, such as an ultrasound or CT scan, to see whether the appendix is inflamed

If your physician suspects appendicitis, they will likely order blood and urine tests for lab analysis. The physician may also consider imaging with an ultrasound or CT scan to visualize the appendix. Based on the results, your care team will determine the best option for treatment.

Appendicitis Treatment Options

Treatment depends on how inflamed the appendix is, whether it has ruptured, and how sick you feel overall.

Surgery

Surgery is the most common treatment for appendicitis.

The procedure, called an appendectomy, removes the inflamed appendix from healthy bowel tissue. Most appendectomies are performed laparoscopically. With this minimally invasive technique, the surgeon makes only small incisions and uses precise instruments to remove the appendix. If the appendix has ruptured or burst, open surgery may be the safer alternative. Laparoscopic surgery is shown to lead to faster recovery and often causes less post-operative pain.

Most patients return to normal activity within a few weeks after surgery.

“Appendectomy is one of the safest and most common surgical procedures performed,” said Dr. Bass. “Our goal is always to help patients recover as quickly as possible and return to their normal lives.”

Treatment for a Ruptured Appendix

A true ruptured appendix is a medical emergency. Typical management requires antibiotics and surgery. In cases where the rupture spreads into the abdomen, a drain may remain in the abdomen after surgery to assist with clearing infectious material.

Antibiotic Treatment

For some people with mild appendicitis in which the appendix has not ruptured, antibiotics alone may treat the infection without surgery. A long-term study found that more than half of patients treated with antibiotics avoided surgery. However, in more severe cases, surgery may be unavoidable.

Can You Prevent Appendicitis?

There is no guaranteed way to prevent appendicitis. It can occur even in people who eat well and stay active. Some research suggests a high fiber diet may reduce the risk of appendicitis. The study also found that diets high in meat and sugar are associated with a higher risk.

These habits can support good digestive health and may help reduce your risk:

1. Eat a high fiber diet — Fruits, vegetables and whole grains are naturally high in fiber and support healthy digestion.
2. Stay hydrated — Drinking enough water each day helps keep stool moving through the digestive tract.
3. Start an exercise program — Physical activity supports healthy gut function and overall digestive health.
4. Do not ignore digestive symptoms — Abdominal pain, constipation or changes in bowel habits that won’t go away are worth talking about with your physician.
5. Get care early on — If you notice symptoms of appendicitis, do not wait. Early treatment reduces the risk of a rupture and serious complications.

If you are experiencing abdominal pain or have concerns about your digestive health, a Catholic Health physician can help. Our physicians, surgeons and gastroenterologists are experienced in diagnosing and treating appendicitis and other digestive conditions.