September 2026

Pain Where Your Appendix Was Removed Years Ago: Possible Causes

By Your Health Magazine Health Information Team

Pain where your appendix was removed years ago can have several causes, including internal scar tissue, an incisional hernia, irritated abdominal-wall nerves or muscles, and, rarely, inflammation of a small remaining piece of appendix. The pain may also come from an unrelated intestinal, urinary, reproductive, or musculoskeletal condition. New, persistent, or worsening pain deserves medical evaluation rather than being assumed to be an old surgical problem.

First, Identify Where the Pain Is Coming From

The visible appendectomy scar is not always directly over the place where the appendix was located. An open appendectomy usually leaves a scar in the lower-right abdomen, while laparoscopic surgery may leave small scars near the navel and elsewhere on the abdomen.

This distinction can provide useful clues:

Pain directly in or under a scar may suggest an abdominal-wall problem, such as a hernia, muscle strain, or irritated nerve.
Deep lower-right abdominal pain may involve the intestines, urinary tract, reproductive organs, or residual appendix tissue.
Cramping with bloating, vomiting, constipation, or an inability to pass gas may indicate an intestinal blockage and requires prompt attention.

Possible Causes Years After an Appendectomy

Possible cause	Common clues
Abdominal adhesions	Deep, pulling, aching, or cramping pain; sometimes bloating, nausea, vomiting, or bowel changes
Incisional hernia	A bulge near a scar, pressure, or pain that worsens with coughing, lifting, exercise, or straining
Stump appendicitis	New or worsening lower-right pain, often with nausea, vomiting, reduced appetite, or fever
Scar or nerve-related pain	Burning, tingling, numbness, hypersensitivity, or sharply localized pain triggered by touch or movement
Muscle or connective-tissue pain	Pain affected by posture, twisting, exercise, coughing, or tightening the abdominal muscles
Another abdominal or pelvic condition	Symptoms involving bowel movements, urination, menstruation, eating, or pain in the back, groin, or pelvis

Abdominal Adhesions

Adhesions are bands of scar-like tissue that can form inside the abdomen after surgery or abdominal inflammation. Most cause no symptoms, but some can pull on nearby structures or contribute to chronic abdominal pain. Symptoms and complications may begin many years after the operation.

Adhesions can also kink or compress the intestines, causing a partial or complete obstruction. The National Institute of Diabetes and Digestive and Kidney Diseases provides additional information about abdominal adhesions and bowel-obstruction symptoms.

Routine imaging generally cannot show adhesions clearly. However, an X-ray or CT scan may reveal an obstruction or help rule out other causes. Surgery is not automatically recommended for suspected adhesions because another operation may create additional scar tissue.

Incisional Hernia

An incisional hernia develops when tissue pushes through a weakened area in the abdominal wall at or near an old surgical opening. It can occur after either open or laparoscopic surgery, including at one of the small instrument-entry sites.

A hernia may produce an intermittent bulge that becomes more noticeable when standing, coughing, lifting, or straining. Some people feel aching or pressure without an obvious lump. The American College of Surgeons describes the characteristic symptoms and evaluation of an incisional or ventral hernia.

A suddenly painful, firm bulge accompanied by vomiting may mean that intestine has become trapped. This is a surgical emergency.

Stump Appendicitis

During an appendectomy, a very small portion of appendix tissue normally remains where the organ connected to the large intestine. Rarely, this residual tissue becomes inflamed, producing “stump appendicitis.” It can occur after open or laparoscopic surgery and has been reported many years after the original appendectomy.

Symptoms may resemble ordinary appendicitis: increasing lower-right abdominal pain, tenderness, nausea, vomiting, appetite loss, and sometimes fever. A prior appendectomy does not completely exclude this diagnosis. A published systematic review of stump appendicitis found that delayed recognition can contribute to complications, so rapidly worsening symptoms should be assessed urgently.

If the original appendix had already ruptured, there may also have been greater inflammation or infection inside the abdomen. Readers can learn more about the treatment and potential complications in what to know about a burst appendix.

Scar, Nerve, or Muscle Pain

Small nerves may become irritated, compressed, or incorporated into scar tissue as an incision heals. Nerve-related pain is often burning, electric, tingling, or unusually sensitive to light touch. It may remain confined to a small area around a scar.

Abdominal-wall muscles and connective tissues can also hurt after exercise, lifting, coughing, or changes in posture. Pain that increases when the abdominal muscles tighten may be arising from the abdominal wall rather than an internal organ, although a physical examination is needed to make that distinction.

Pain continuing for more than three months is generally considered chronic. Evaluation may include both the original cause and factors that maintain or worsen pain over time. MedlinePlus offers an overview of chronic pain and available treatment approaches.

The Pain May Be Unrelated to the Surgery

The lower-right abdomen contains more than the former appendix site. Conditions affecting the small or large intestine, urinary tract, abdominal muscles, hip, spine, or reproductive organs can cause pain in the same general area. Examples include constipation, kidney stones, urinary infection, inflammatory bowel disease, ovarian cysts, endometriosis, and groin hernias.

Patterns can help guide evaluation. Pain associated with urination, menstruation, bowel movements, meals, exercise, or movement should be mentioned to a healthcare professional. These details do not confirm a diagnosis, but they help determine which examination and tests may be appropriate.

How the Cause Is Evaluated

A healthcare professional will usually ask when the pain began, whether it is constant or intermittent, and what makes it better or worse. The evaluation may include:

A review of the original surgery, including whether the appendix had ruptured and whether the operation was open or laparoscopic.
An abdominal examination for tenderness, a bulge, scar sensitivity, muscle pain, or signs of inflammation.
Blood and urine tests when infection, inflammation, pregnancy, or a urinary cause is possible.
Ultrasound or CT imaging when a hernia, stump appendicitis, intestinal obstruction, kidney stone, or pelvic condition is suspected.

A primary care clinician can begin the assessment. Depending on the findings, care may involve a general surgeon, gastroenterologist, gynecologist, urologist, pain specialist, or physical therapist.

When to Seek Care

Seek emergency medical care for severe or rapidly worsening abdominal pain, especially when it occurs with:

Fever, fainting, confusion, or marked weakness
Repeated vomiting or an inability to keep fluids down
A swollen, rigid, or extremely tender abdomen
Inability to pass stool or gas
A suddenly painful, firm, or discolored bulge near a scar
Blood in the stool or vomit
Significant abdominal pain during pregnancy or when pregnancy is possible

Arrange a nonemergency appointment if pain repeatedly returns, lasts more than a few days, interferes with normal activities, or is accompanied by unexplained weight loss, appetite changes, altered bowel habits, urinary symptoms, or a new lump. The fact that the appendix was removed years ago is important medical history, but an examination is needed to determine whether the current pain is related to that surgery.