What Causes a Hernia to Come Back After Surgery?

Hernia repair is a common surgical procedure, and most patients recover successfully. However, in some cases, a hernia can return after surgery. This is known as a recurrent hernia. Understanding what causes a hernia to come back after surgery can help patients recognize risk factors, follow recovery instructions, and know when to seek medical evaluation.

What Causes a Hernia to Come Back After Surgery?

A hernia can come back after surgery when the repaired area of the abdominal wall becomes weakened or does not heal as expected. Several factors can contribute to recurrence, including the type and size of the original hernia, surgical technique, infection, excessive strain during recovery, chronic coughing or constipation, smoking, and conditions that place ongoing pressure on the abdominal wall.

A recurrent hernia does not necessarily mean that the original surgery was unsuccessful. Hernia recurrence can occur even when a repair was performed appropriately.

Does the Type of Hernia Affect the Risk of Recurrence?

Yes, the type, location, and size of the original hernia can affect the likelihood of recurrence. Groin hernias, umbilical hernias, and other abdominal wall hernias have different anatomical characteristics and may require different repair approaches.

Larger hernias can present additional challenges because there may be more extensive weakness in the abdominal wall. A hernia that has been repaired previously can also be more complex to treat if it returns.

Can the Surgical Technique Affect Hernia Recurrence?

The surgical approach can influence the risk of recurrence. Hernia repair may involve closing the weakened tissue directly or reinforcing the abdominal wall with surgical mesh, depending on the patient’s condition and the type of hernia.

The goal of repair is to restore strength to the abdominal wall and reduce the likelihood that tissue will push through the area again. The appropriate technique depends on factors such as hernia size, location, previous repairs, overall health, and the surgeon’s assessment.

Can Doing Too Much Too Soon Cause a Hernia to Return?

Straining the abdominal wall during the early stages of recovery may interfere with healing. Heavy lifting, strenuous exercise, or other activities that place significant pressure on the repair may increase stress on healing tissues.

Patients should follow their surgeon’s specific instructions about lifting, exercise, work, and other physical activities. Recovery recommendations can vary depending on the type of hernia and the repair performed.

Can Chronic Coughing or Constipation Contribute to Hernia Recurrence?

Conditions that repeatedly increase pressure inside the abdomen may place additional stress on a repaired abdominal wall. Chronic coughing, frequent straining during bowel movements, and certain respiratory or digestive conditions can contribute to repeated abdominal pressure.

Managing these issues can be an important part of protecting the repair. Patients who experience persistent coughing or difficulty with bowel movements after hernia surgery should discuss these concerns with their physician.

Does Weight Affect the Chance of a Hernia Coming Back?

Body weight can play a role in hernia recurrence. Excess weight can increase pressure on the abdominal wall and may make both the original hernia and its repair more challenging.

For patients who are overweight, achieving a healthy weight may be part of a long-term strategy for reducing abdominal wall stress. Weight management should be approached safely and based on individual health needs.

Can Smoking Increase the Risk of Recurrent Hernia?

Smoking can interfere with the body’s ability to heal after surgery. It can also contribute to coughing, which repeatedly increases pressure within the abdomen.

For these reasons, smoking cessation may be recommended before and after hernia repair. Patients who smoke should discuss cessation strategies with their healthcare provider before undergoing surgery.

What Are the Signs That a Hernia May Have Returned?

A recurrent hernia may cause a bulge, swelling, pressure, discomfort, or pain near the previous surgical site. Some patients notice the bulge more clearly when standing, coughing, lifting, or straining.

A new bulge does not always mean that a hernia has returned, however. Scar tissue and other postoperative changes can sometimes cause a lump or firmness around an incision. A physical examination can help determine the cause.

When Should Someone See a Doctor About a Possible Recurrent Hernia?

Anyone who develops a new bulge, persistent pain, or increasing discomfort near a previous hernia repair should have the area evaluated. Early assessment can help determine whether the hernia has returned and whether treatment is necessary.

Severe or rapidly worsening pain, vomiting, significant abdominal swelling, or a hernia bulge that becomes very tender and cannot be pushed back into the abdomen can require urgent medical attention.

Can a Recurrent Hernia Be Repaired Again?

Yes, a recurrent hernia can often be treated with another repair. The appropriate approach depends on the location and size of the recurrent hernia, the previous surgical technique, the condition of the abdominal wall, and the patient’s overall health.

A surgeon experienced in abdominal wall and hernia care can evaluate the previous repair and determine the most appropriate treatment strategy. In some cases, observation may be reasonable, while others may benefit from another surgical repair.

How Can Patients Reduce the Risk of Hernia Recurrence?

Reducing the risk of recurrence begins with following postoperative instructions and allowing the abdominal wall adequate time to heal. Patients can also work with their healthcare providers to address factors such as smoking, excess weight, chronic coughing, constipation, and other conditions that increase abdominal pressure.

Most importantly, a new bulge or symptoms after hernia surgery should not be ignored. An evaluation can determine whether the symptoms represent a recurrent hernia or another postoperative issue. For patients in Rockville and Montgomery County, Maryland, Dr. Glenn Sandler provides evaluation and surgical care for common abdominal wall hernias and can help determine whether additional treatment is appropriate.