Learn About Hernia

What is the definition of Hernia?

A hernia is a sac formed by the lining of the abdominal cavity (peritoneum). The sac comes through a hole or weak area in the strong layer of the belly wall that surrounds the muscle. This layer is called the fascia.

Which type of hernia you have depends on where it is:

  • Femoral hernia is a bulge in the upper thigh, just below the groin. This type is more common in women than men.
  • Hiatal hernia occurs in the upper part of the stomach. Part of the upper stomach pushes into the chest.
  • Incisional hernia can occur through a scar if you have had abdominal surgery in the past.
  • Umbilical hernia is a bulge around the belly button. It occurs when the muscle around the belly button does not close completely after birth.
  • Inguinal hernia is a bulge in the groin. It is more common in men. It may go all the way down into the scrotum.
Inguinal hernia
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What are the alternative names for Hernia?

Hernia - inguinal; Inguinal hernia; Direct and indirect hernia; Rupture; Strangulation; Incarceration

What are the causes of Hernia?

Usually, there is no clear cause of a hernia. Sometimes, hernias can occur due to:

  • Heavy lifting
  • Straining while using the toilet
  • Any activity that raises the pressure inside the belly

Hernias may be present at birth, but the bulge may not be evident until later in life. Some people have a family history of hernias.

Babies and children can get hernias. It happens when there is weakness in the belly wall. Inguinal hernias are common in boys. Some children do not have symptoms until they are adults.

Any activity or medical problem that increases pressure on the tissue in the belly wall and muscles may lead to a hernia, including:

  • Long-term (chronic) constipation and pushing hard (straining) to have a bowel movement
  • Chronic coughing or sneezing
  • Cystic fibrosis
  • Enlarged prostate, straining to urinate
  • Extra weight
  • Fluid in the abdomen (ascites)
  • Peritoneal dialysis
  • Poor nutrition
  • Smoking
  • Overexertion
  • Undescended testicles
What are the symptoms of Hernia?

There are usually no symptoms. Some people have discomfort or pain. The discomfort may be worse when standing, straining, or lifting heavy objects. In time, the most common complaint is a bump that is sore and growing.

When a hernia gets bigger, it may get stuck inside the hole and lose its blood supply. This is called strangulation. This causes pain and swelling at the site of strangulation. Symptoms may include:

  • Nausea and vomiting
  • Not being able to pass gas or have bowel movements

When this occurs, surgery is needed right away.

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What are the current treatments for Hernia?

Surgery is the only treatment that can permanently fix a hernia. Surgery may be more risky for people with serious medical problems.

Surgery repairs the weakened abdominal wall tissue (fascia) and closes any holes. Most hernias are closed with stitches and sometimes with mesh patches to plug the hole.

An umbilical hernia that does not heal on its own by the time a child is 5 years old will likely be repaired.

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What is the outlook (prognosis) for Hernia?

The outcome for most hernias is usually good with treatment. It is rare for a hernia to come back. Incisional hernias are more likely to return.

What are the possible complications of Hernia?

In rare cases, inguinal hernia repair can damage structures involved in the function of a man's testicles.

Another risk of hernia surgery is nerve damage, which can lead to numbness in the groin area.

If a part of the bowel was trapped or strangulated before surgery, bowel perforation or dead bowel may result.

When should I contact a medical professional for Hernia?

Call your provider right away if you have:

  • A painful hernia and the contents cannot be pushed back into the abdomen using gentle pressure
  • Nausea, vomiting, or a fever along with a painful hernia
  • A hernia that becomes red, purple, dark, or discolored

Call your provider if you have:

  • Groin pain, swelling, or a bulge.
  • A bulge or swelling in the groin or belly button, or that is associated with a previous surgical cut.
How do I prevent Hernia?

To prevent a hernia:

  • Use proper lifting techniques.
  • Lose weight if you are overweight.
  • Relieve or avoid constipation by eating plenty of fiber, drinking lots of fluid, going to the bathroom as soon as you have the urge, and exercising regularly.
  • Men should see their provider if they strain with urination. This may be a symptom of an enlarged prostate.
Inguinal hernia repair - series
What are the latest Hernia Clinical Trials?
Sensory Abnormalities in Post-surgical Peripheral Neuropathy: A Comparison of Subjects With and Without Severe Pain Using Normative Data
Summary: The concept of normality is a cornerstone in medical practice and research. As an example, in clinical chemistry, a laboratory value based on a patient plasma sample, exceeding the +/- 1.96 x standard deviation (SD) range, referenced from a normative material, is per definition outside the normal range (the reference interval). Obviously, a number of reasons for this deviation may exist. The sampl...
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Erector Spinae Plane Block for Reduction of Early Postoperative Pain Scores and Opioid Use in Lumbar Spinal Fusion Surgery, a Prospective Double-blinded Randomized Placebo-controlled Trial
Summary: Rationale: Lumbar spine surgery is associated with high postoperative pain scores and analgesic use, despite use of multimodal analgesia. The erector spinae plane block (ESPB) is a promising locoregional anesthetic technique for this type of surgery. The literature is not yet conclusive about the effectiveness of this technique on reducing postoperative pain intensity.~Objective: The objective of ...
What are the Latest Advances for Hernia?
Peritoneal dialysis in children: Infectious and mechanical complications: Experience of a tertiary hospital in Elazığ, Turkey.
Summary: Peritoneal dialysis in children: Infectious and mechanical complications: Experience of a tertiary hospital in Elazığ, Turkey.
Robot-assisted tumorectomy for an unusual pelvic retroperitoneal leiomyoma: A case report.
Summary: Robot-assisted tumorectomy for an unusual pelvic retroperitoneal leiomyoma: A case report.
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Pudendal tumor mimicking cauda equina syndrome and acute radiculopathy: case report.
Summary: Pudendal tumor mimicking cauda equina syndrome and acute radiculopathy: case report.
Who are the sources who wrote this article ?

Published Date: September 28, 2020
Published By: Debra G. Wechter, MD, FACS, general surgery practice specializing in breast cancer, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

What are the references for this article ?

Aiken JJ. Inguinal hernias. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 373.

Malangoni MA, Rosen MJ. Hernias. In: Townsend CM Jr, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 20th ed. Philadelphia, PA: Elsevier; 2017:chap 44.