Hernia

What is a hernia?

A hernia occurs when an organ pushes through an opening in the muscle or tissue that holds it in place. For example, the intestines may break through a weakened area in the abdominal wall.

Hernias are most common in the abdomen, but they can also appear in the upper thigh, belly button, and groin areas. Most hernias are not immediately life threatening, but they don’t go away on their own and can require surgery to prevent potentially dangerous complications.

Common hernia types:

Inguinal hernia

Inguinal hernias are the most common type of hernia. They make up about 70 percent of all hernias, according to the British Hernia Centre (BHC). These hernias occur when the intestines push through a weak spot or tear in the lower abdominal wall, often in the inguinal canal.

The inguinal canal is found in your groin. In men, it is the area where the spermatic cord passes from the abdomen to the scrotum. This cord holds up the testicles. In women, the inguinal canal contains a ligament that helps hold the uterus in place.

This type of hernia is more common in men than in women. This is because a man’s testicles descend through the inguinal canal shortly after birth, and the canal is supposed to close almost completely behind them. Sometimes, the canal does not close properly and leaves a weakened area prone to hernias.

Hiatal hernia

A hiatal hernia occurs when part of your stomach protrudes up through the diaphragm into your chest. The diaphragm is a sheet of muscle that helps you breathe by contracting and drawing air into the lungs. It separates the organs in your abdomen from those in your chest.

This type of hernia is most common in patients over 50 years old. If a child has the condition, it’s typically caused by a congenital (birth) defect. Hiatal hernias almost always cause gastroesophageal reflux, which is when the stomach contents leak backward into the esophagus, causing a burning sensation.

Umbilical hernia

Umbilical hernias can occur in children and babies under 6 months old. This happens when their intestines bulge through their abdominal wall near their bellybutton. You may notice a bulge in or near your child’s bellybutton, especially when they’re crying.

An umbilical hernia is the only kind that often goes away on its own, typically by the time the child is 1 year old. If the hernia has not gone away by this point, surgery may be used to correct it.

Incisional hernia

Incisional hernias can occur after you’ve had abdominal surgery. Your intestines may push through the incision scar or the surrounding, weakened tissue.

What causes a hernia?

Hernias are caused by a combination of muscle weakness and strain. Depending on its cause, a hernia can develop quickly or over a long period of time.

Common causes of muscle weakness include:

• failure of the abdominal wall to close properly in the womb, which is a congenital defect
• age
• chronic coughing
• damage from injury or surgery

Factors that strain your body and may cause a hernia, especially if your muscles are weak, include:

• being pregnant, which puts pressure on your abdomen)
• being constipated, which causes you to strain when having a bowel movement
• heavy weight lifting
• fluid in the abdomen, or ascites
• suddenly gaining weight
• persistent coughing or sneezing

source: health line