Why Hernias Return After Surgery and What to Do

Dr Wong Jen San

Consultant Hepatobiliary & Pancreatic Surgeon

MBChB (UK), MMed (Singapore), Msc (Singapore), FRCS (Edinburgh), FAMS

After recovering from hernia surgery, the last thing most people expect is to notice similar symptoms returning. Feeling a new bulge or discomfort near the previous repair can understandably raise concerns about whether the hernia has come back.

Although modern hernia surgery provides durable results for most patients, recurrence remains a possibility. Understanding why this happens and what can be done if it occurs can help you make informed decisions about your care

Common Reasons a Hernia Can Return

A hernia repair strengthens the weakened area of the abdominal wall, but the surrounding tissues continue to experience pressure from daily activities. If healing is affected or additional strain develops, the repaired area may weaken over time.

Some of the more common reasons for recurrence include:

Weak Tissue Healing

Some people naturally have weaker connective tissue, making it more difficult for the repair to remain strong over time. Age, genetics and certain medical conditions may also affect tissue quality and healing.

Increased Pressure Within the Abdomen

Persistent pressure against the abdominal wall may place stress on the repaired area. This may result from:

• Chronic coughing
• Frequent constipation and straining
• Difficulty passing urine due to prostate enlargement
• Obesity
• Heavy lifting performed repeatedly

Managing these underlying factors can help reduce ongoing strain after surgery.

Infection After Surgery

Although uncommon, wound infections after hernia surgery can interfere with healing and weaken the repair. In some cases, this may increase the risk of recurrence.

Complex or Large Hernias

Large hernias or those that have recurred previously are generally more challenging to repair. The surrounding tissues may already be weakened, increasing the likelihood of future recurrence without careful surgical planning.

What Are the Signs That a Hernia Has Returned?

The symptoms of a recurrent hernia are often similar to those experienced before the initial repair.

You may notice:

• A new or returning lump near the previous surgical site
• Discomfort or aching that worsens with standing, coughing or lifting
• A feeling of pressure or heaviness
• Swelling that becomes more noticeable during physical activity
• Pain around the previous scar

Not every lump following surgery indicates recurrence. Scar tissue, fluid collections or other postoperative changes can sometimes produce similar symptoms. A clinical assessment and, where appropriate, imaging studies help determine the underlying cause.

What Treatment Options Are Available?

Not every recurrent hernia requires immediate surgery. The most appropriate treatment depends on the size of the hernia, your symptoms, your overall health and whether complications have developed.

Careful Observation

A small recurrent hernia causing few or no symptoms may be monitored with regular follow-up. During this time, patients are usually advised to avoid unnecessary strain and seek review if symptoms change.

Repeat Hernia Repair

Symptomatic or enlarging recurrent hernias are often treated with another operation. The surgical approach depends on several factors, including the type of previous repair, the location of the hernia and the condition of the surrounding tissues. In many cases, minimally invasive techniques such as laparoscopic or robotic-assisted surgery may be considered, particularly if the initial operation was performed through an open approach. These techniques may reduce tissue disruption while allowing the surgeon to reinforce the weakened area using mesh where appropriate.

Can the Risk of Recurrence Be Reduced?

While recurrence cannot always be prevented, several measures may help lower the risk after surgery.

These include:

• Following your surgeon's activity restrictions during recovery
• Maintaining a healthy body weight
• Avoiding smoking, which can impair wound healing
• Treating chronic cough or constipation promptly
• Using proper lifting techniques after returning to normal activities
• Attending follow-up appointments as advised

Recovery recommendations vary depending on the type of repair performed, so it is important to follow the advice provided for your specific procedure.

Moving Forward with Confidence After Hernia Surgery

A previous hernia repair does not necessarily mean future problems are inevitable. While recurrence can occur, early assessment of new symptoms and appropriate management often help prevent the condition from progressing or causing complications.

At the Hepatobiliary & Pancreatic Surgery Centre in Singapore, treatment is guided by Dr Wong Jen San, who provides comprehensive assessment and management for both primary and recurrent hernias. If you have noticed a new lump, ongoing discomfort or concerns following previous hernia surgery, contact the clinic to arrange a consultation and discuss the most appropriate treatment options for your condition.

Frequently Asked Questions (FAQs) About Recurrent Hernias

Meet Our Hernia Doctor in Singapore

Dr Wong Jen San is a consultant hernia surgeon with over 15 years of experience in diagnosing and treating a wide range of hernia conditions. He has a strong focus on minimally invasive (laparoscopic) surgery, helping patients achieve precise outcomes with less pain, minimal scarring, and faster recovery. Dr Wong received his medical degree from the University of Leicester and underwent extensive surgical training in both the United Kingdom and Singapore. He further advanced his expertise through clinical fellowships in Japan, gaining diverse international experience in hernia repair techniques. Committed to patient-centred care, Dr Wong combines evidence-based practices with a thoughtful and personalised approach to treatment.