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Learn about your hernia

Short answers to the questions patients actually ask, with videos from our channel and references from the literature.

Which options might fit me?

Answer six quick questions (height, weight, and medical history) and see which repairs are likely available to you, with the reason for each.

Hernia basicsWhat a hernia is, and how we diagnose it
What is a hernia, and do I have one?

A hernia is a hole or weak spot in the abdominal wall that lets tissue push through. Almost every patient with an inguinal (groin) hernia notices a bulge that comes and goes. It may be painless or mildly uncomfortable, better lying down, worse with long standing or sitting. Discomfort from a hernia is rarely sharp.

An umbilical hernia is a bump at or near the belly button, at the natural opening left by the umbilical cord. It is common in men after weight gain and in women during or after pregnancy, and in almost all cases it is not dangerous.

Do I need a scan to diagnose it?

Usually not. The physical exam is the most important part of the evaluation, and imaging is needed in fewer than 5% of patients. We recommend against ultrasound for inguinal hernia workup because it misleads more often than it helps. A CT scan is useful before surgery for complicated or recurrent hernias, like a GPS for the operation.

Your repair optionsMesh, no mesh, open, laparoscopic, and how we choose

Compare the repairs we offer

Tap each option. There is no single best repair for every patient; the right one depends on your anatomy, health, and goals, and on the surgeon's experience with that technique [1].

Why do you prefer mesh behind the muscle?

Think of a hernia like a hole in a bicycle tire with the inner tube pushing through. A patch on the inside of the tire is the strongest fix, because the tire's own pressure holds the patch against the hole. Placing mesh behind the abdominal wall uses the same physics, and it keeps the mesh away from two of the three groin nerves that cause most chronic pain.

In our published registry data, this repair showed better patient-reported outcomes than the standard on-top-of-muscle (Lichtenstein) repair over 10 years [2], and matched laparoscopic and robotic repair for recurrence with slightly better early quality of life, without general anesthesia [3].

What if I want no mesh at all?

We offer the Shouldice repair, about 100 times per year, after Dr. Reinhorn trained with the team at Shouldice Hospital in Toronto. The hernia is repaired by suturing the abdominal muscles together in four separate layers to close the defect, with no mesh. Best candidates are thin, healthy patients with small to moderate hernias.

Honest data: done at high volume, tissue repair works well, with recurrence near 1.2% at the dedicated Shouldice Hospital [4]. Our own matched comparison found the mesh repair gave less pain and better quality of life through one year, with no difference in recurrence [5]. We walk through both at your consult.

Is mesh safe? What about chronic pain?

Mesh is implanted in over one million people each year with few complications. The real issue is chronic pain, which affects roughly 10 to 12% of patients across all techniques, severe in a smaller group [6]. The main driver is mesh or fixation near the groin nerves in on-top repairs. Placing mesh behind the muscle avoids two of the three nerves, which is a large part of why we prefer it, and why our patients report a minimal incidence of chronic pain.

How is an umbilical hernia repaired?

Two options. A mesh repair: through a small incision at the navel, tissue is reduced, a small mesh goes under the abdominal wall, and the hole is sewn closed over it, a durable two-layer repair. Or a suture-only repair, reserved for thin, healthy patients, especially women with hernias from pregnancy.

The data is clear: for hernias 1 to 4 cm, mesh cut recurrence from about 12% to about 4% in a randomized trial [7], and international guidelines recommend a flat preperitoneal mesh for most [8].

I'm a woman with a groin hernia. Anything different?

Yes. Women more often have femoral hernias, which carry higher risk, so guidelines advise timely repair rather than watchful waiting [1]. This video covers what women should know.

Do I need surgery now?Timing, watchful waiting, and the red flags
Do I have to have surgery right away?

Usually not. Two randomized trials found men with minimally symptomatic inguinal hernias could safely wait: no extra complications, similar pain and quality of life at 2 years [9,10]. The honest follow-up: about two thirds of the waiting group chose surgery within roughly a decade, usually because symptoms grew [11].

In my opinion the takeaway is this: little or no discomfort means you have time to pick your surgeon, your technique, and a date that fits your life. Growing discomfort or an enlarging bulge means it is time to move.

Can I lift and exercise while I decide?

Generally yes, if symptoms allow. Exercise did not cause the hernia; the weakness in the abdominal wall did. A truss can offer temporary comfort but fixes nothing.

Know the red flags

Go to the emergency department if:the bulge is stuck out, firm, and very painful, the skin over it is discolored, or you have nausea, vomiting, or cannot pass gas. These can signal a strangulated hernia.
Groin pain but no bulge?It may be a core muscle injury, not a hernia

Core muscle injury (the "sports hernia")

Sharp groin pain after an injury or exertion, without a bulge, is often not a hernia at all. It is usually a core muscle injury, an overuse or strain problem where the lower abdominal and inner groin muscles attach and work together. Despite the old name "sports hernia," there is no hole in the abdominal wall, so hernia surgery does not fix it.

The treatment is different: expert assessment, physical therapy, and retraining the core so overloaded muscles are offloaded, not operated on. We have seen many patients told they need hernia surgery when what they had was a core muscle injury. In my opinion, getting the diagnosis right is the single most important step, and we evaluate for both at a consultation.

Not sure which one you have?A bulge that comes and goes points to a hernia. Sharp pain with sit-ups, sprinting, or kicking, with no bulge, points to a core muscle injury. An exam settles it. Call (617) 466-3373.
References (11)
  1. HerniaSurge Group. International guidelines for groin hernia management. Hernia. 2018;22:1-165. PMID 29330835. Update: Stabilini C, et al. BJS Open. 2023;7(5):zrad080.
  2. Agarwal D, et al. Improved patient-reported outcomes after open preperitoneal inguinal hernia repair compared to anterior Lichtenstein repair: 10-year ACHQC analysis. Hernia. 2023. PMID 37553502.
  3. Reinhorn M, et al. Posterior mesh inguinal hernia repairs: a propensity score matched analysis of laparoscopic and robotic versus open approaches. Hernia. 2023;27:93-104. PMID 36125632.
  4. Malik A, et al. Recurrence of inguinal hernias repaired in a large hernia surgical specialty hospital and general hospitals in Ontario, Canada. Can J Surg. 2016;59:19-25. PMID 26574701.
  5. Bharani T, et al. Open preperitoneal inguinal hernia repair has superior 1-year patient-reported outcomes compared to Shouldice non-mesh repair. Hernia. 2024. PMID 38142262.
  6. Reinpold W. Risk factors of chronic pain after inguinal hernia repair: a systematic review. Innov Surg Sci. 2017;2:61-68. PMC6754000.
  7. Kaufmann R, et al. Mesh versus suture repair of umbilical hernia in adults: a randomised, double-blind, controlled, multicentre trial. Lancet. 2018;391:860-869. PMID 29459021.
  8. Henriksen NA, et al. Guidelines for treatment of umbilical and epigastric hernias from the European Hernia Society and Americas Hernia Society. Br J Surg. 2020;107:171-190. PMID 31916607.
  9. Fitzgibbons RJ Jr, et al. Watchful waiting vs repair of inguinal hernia in minimally symptomatic men. JAMA. 2006;295:285-292. PMID 16418463.
  10. O'Dwyer PJ, et al. Observation or operation for patients with an asymptomatic inguinal hernia. Ann Surg. 2006;244:167-173. PMID 16858177.
  11. Fitzgibbons RJ Jr, et al. Long-term results of a randomized controlled trial of a nonoperative strategy (watchful waiting) for men with minimally symptomatic inguinal hernias. Ann Surg. 2013;258:508-515. PMID 24022443.

The day of surgery

Outpatient surgery: you arrive in the morning and are typically home within 4 to 5 hours. Prepare with the checklist, then walk through the day step by step.

My prep checklist

Your progress saves on this phone automatically.

How the day unfoldsArrival to home, step by step
  1. Arrive about 90 minutes early
    Check in, change into a gown, get an IV, and meet your nurses, the anesthesia team, and your surgeon.
  2. Anesthesia: local with sedation for most
    Our patients are sedated enough to be sleeping comfortably, without the deeper effects of general anesthesia. A randomized trial found local anesthesia means fewer early complications, less pain, and quicker discharge than general or spinal for open groin repair [1]. Patients with a BMI of 28 or above sometimes require general anesthesia.
  3. Surgery: about 45 minutes
    Recurrent hernias can take up to 1.5 to 2 hours. Your ride is notified when surgery ends.
  4. Recovery room: 1 to 2 hours
    A snack, up on your feet, and dressed when ready.
  5. Home the same day
    Usually 4 to 5 hours door to door. Generally there is no prescription to fill.
The first night and the pain planWhat to expect once the numbness fades

The numbing medicine injected during surgery lasts up to 8 hours, so the evening feels deceptively easy, then discomfort builds as it wears off. Start your pain plan before the numbness fades, not after.

The pain planEvery 6 hours as needed: 650 mg to 1 g of acetaminophen (Tylenol) plus 400 to 600 mg of ibuprofen (Advil or Motrin), together or alternating. Ice 20 minutes on, 20 minutes off, never directly on skin. More than 95% of our patients need nothing stronger.
References (1)
  1. Nordin P, et al. Local, regional, or general anaesthesia in groin hernia repair: multicentre randomised trial. Lancet. 2003;362:853-858. PMID 13678971.

My recovery

Personalized to your operation and date. Returning to activity early is safe, and most patients can do more, sooner, than they think [1,2].

Surgery still ahead? Enter the scheduled date and this becomes a countdown.

Choose your operation above to open the stage-by-stage guide. You can browse every stage with or without a date.

When to call us

Call (617) 466-3373 if you notice:

    After hours, leave a message with the answering service. If you do not hear back promptly and you are feeling worse, go to the emergency department.

    References (3)
    1. Tolver MA, et al. Convalescence after laparoscopic inguinal hernia repair: a qualitative systematic review. Surg Endosc. 2016;30:5165-5172. PMID 27059966.
    2. Kulacoglu H, et al. Return to outdoor walking, car driving, and sexual activity following elective inguinal hernia repair: surgeons' perspective versus patients' reality. Hernia. 2020. PMID 32592152.
    3. Reinpold W. Risk factors of chronic pain after inguinal hernia repair: a systematic review. Innov Surg Sci. 2017;2:61-68. PMC6754000.

    Is this normal?

    Tap what you are noticing. Guidance mirrors our written post-op instructions. When in doubt, call us. That is what we are here for.

    Before you begin

    Please read and accept these terms. They appear once.
    • This app provides general education for Boston Hernia patients and visitors. It is not medical advice, it is not an attempt to practice medicine, and using it does not create a doctor-patient relationship.
    • If you believe you have a medical emergency, call 911.
    • If you are a Boston Hernia patient, the written instructions you received and your care team's guidance always come first. For personal medical questions, contact a Boston Hernia provider or another qualified healthcare provider at (617) 466-3373.
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    My surgery plan

    Set this together at your visit. Your surgeon taps the repair they recommend, and the app organizes itself around your plan.

    Inguinal hernia options calculator

    For adults with a groin hernia. See which repairs are likely available to you, then confirm at a consultation.

    This tool is not a substitute for a surgical opinion. These options are estimates and may not be accurate for some patients. Many more variables come into play in surgical decision-making, and seeing a hernia specialist is the only way to understand which options are best for you. Not for children.