Hiatal Hernia

While the exact causes of hiatal hernia are not known, several factors may contribute to the development of hiatal hernia. These include:

1. Being born with a larger hiatal opening than usual.
2. Trauma to the diaphragm.
3. Weakness of the diaphragm muscles due to age.
4. Rise in abdominal pressure from factors like obesity, pregnancy, chronic straining and coughing.