Pyogenic liver abscess is a pus-filled pocket of fluid within the liver. Pyogenic means producing pus.
Liver abscess; Bacterial liver abscess; Hepatic abscess
There are many possible causes of liver abscesses, including:
A number of common bacteria may cause liver abscesses. In most cases, more than one type of bacteria is found.
Symptoms of liver abscess may include:
Tests may include:
Treatment usually consists of placing a tube through the skin into the liver to drain the abscess. Less often, surgery is needed. You will also receive antibiotics for about 4 to 6 weeks. Sometimes, antibiotics alone can cure the infection.
This condition can be life threatening. The risk for death is higher in people who have many liver abscesses.
Life-threatening sepsis can develop. Sepsis is an illness in which the body has a severe inflammatory response to bacteria or other germs.
Call your health care provider if you have:
Prompt treatment of abdominal and other infections may reduce the risk of developing a liver abscess, but most cases are not preventable.
Kim AY, Chung RT. Bacterial, parasitic, and fungal infections of the liver, including liver abscesses. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 11th ed. Philadelphia, PA: Elsevier; 2021:chap 84.
Sifri CD, Madoff LC. Infections of the liver and biliary system (liver abscess, cholangitis, cholecystitis). In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9th ed. Philadelphia, PA: Elsevier; 2020:chap 75.
Reviewed By: Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.