Ascites is the accumulation of excess fluid in the abdominal cavity.

Ascites
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Ascites can be caused by:

  • High blood pressure in the portal venous system, which can be caused by:
    • Liver damage called cirrhosis — This is the most common cause of ascites.
    • Heart failure
    • Blockage of the large vein in the abdomen called the vena cava
  • Malnutrition or other conditions leading to low amounts of protein in the blood
  • Certain cancers
  • Infections, such as tuberculosis that can invade the abdomen
  • Pancreatitis