Pressure on the abdominal wall, strenuous activity, pregnancy, or significant weight gain, are among the causes of this type of hernia. With hiatal hernias, the upper part of the stomach pushes ...

However, there is another type of hernia that is internal. The most common type of internal hernia is a hiatal hernia. Treatment and management methods are very different for this type of hernia.

A hiatal hernia occurs when a small portion of the stomach pushes upward through the diaphragm, a sheetlike muscle that separates the lungs from the abdomen. Usually this doesn't cause any symptoms, ...