Peritonitis is an inflammation or infection of the peritoneum. The peritoneum is a thin tissue lining that covers the inside of the abdominal cavity. It also covers the outside of the intestines and other abdominal organs.
There are several types:
- Peritoneal dialysis-related
Peritonitis is a serious condition. It requires immediate treatment. If not promptly treated, it can be fatal.
- Primary peritonitis—Occurs when there is a buildup of fluid in the abdomen. This is called ascites . It is caused by health conditions, such as cirrhosis (chronic liver disease).
- Secondary peritonitis—Caused by bacteria that enter the abdominal cavity. Can be due to an injury or a condition, such as a ruptured appendix.
- Dialysis-related peritonitis—Caused by bacteria that enter the peritoneal cavity during or after peritoneal dialysis (a treatment for kidney disease).
Factors that may increase your chance of peritonitis include:
Peritonitis may cause:
The doctor will ask about your symptoms and medical history. A physical exam will be done. Tests may include:
Treatment depends on the cause. It may include:
- Surgery to repair openings in the skin surface or to remove damaged tissue
- Antibiotics to treat infection
- Replacement of fluids
- Reviewer: Daus Mahnke, MD
- Review Date: 09/2016 -
- Update Date: 09/30/2013 -