Ascites is the accumulation of excess fluid in the abdominal cavity.
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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
— This is the most common cause of ascites.
Heart failureBlockage of the large vein in the abdomen called the vena cavaMalnutrition or other conditions leading to low amounts of protein in the bloodCertain cancers
Infections, such as
that can invade the abdomen
Factors that increase your chance of ascites include having any of the conditions above.
Symptoms may include: Increased abdominal circumferenceShortness of breathAbdominal pain and/or distentionPain
abdomenRapid weight gainDifficulty breathing while lying flatDecreased appetiteHeartburn
Talk with your doctor about the best treatment plan for you. Options include:
Sodium restriction—Limiting salt intake to
per day or less is often recommended to reduce or delay fluid build-up. More extreme restrictions in salt intake do not further improve outcomes.
Alcohol restriction—Ascites commonly occurs in people who have liver disease.
can further impair liver function. Stopping alcohol use may limit the progression of ascites.
Diuretic medications are drugs that cause the kidneys to excrete more sodium and water in the urine. These medications are often recommended as the treatment of choice for ascites, along with sodium restriction.
Ascites can be treated by inserting a hollow needle into the abdomen and removing excess fluid through the needle.
If the other treatments are not effective and the ascites keep coming back, surgery can be done to divert blood away from the liver.
If this is not successful, a liver transplant may be necessary.
If you are diagnosed with ascites, follow your doctor's
To decrease the risk of ascites, take the following steps to prevent cirrhosis, the most common cause of ascites: Drink alcohol only in moderation. This means no more than one drink per day for women and two for men.Practice safe sex to avoid hepatitis.Do not share IV needles.Get vaccinated for hepatitis B.If you are taking medications that can damage your liver, follow your doctor's instructions closely.
Runyon BA. Care of patients with ascites.
N Engl J Med
Last reviewed June 2013 by Daus Mahnke, MD; Brian Randall, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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