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Home Knowledge Center Wellness Library Cirrhosis Complications: Encephalopathy

Cirrhosis Complications: Encephalopathy

Overview

When the liver has been damaged, it may not be able to filter poisons from the bloodstream, especially substances in the blood produced by bacteria in the large intestine. As a result, these substances (which include ammonia) may build up in the bloodstream and cause problems in your brain called encephalopathy. High ammonia levels are a sign of encephalopathy.

What are the symptoms?

Symptoms of encephalopathy may include:

  • Irritability.
  • Depression.
  • Changes in sleep patterns.
  • Twitching of muscles or jerking movements of hands.
  • Difficulty with word-finding.
  • Poor short-term memory.
  • Poor concentration.
  • Confusion and disorientation.
  • Coma.

What increases your risk?

Encephalopathy is most likely to occur in people who have high blood pressure in the portal vein system (portal hypertension). But it may also occur in people who have severe acute liver damage but do not have portal hypertension.

Certain procedures (such as shunting, which redirects the flow of blood or fluid through other areas of the body) that help lower portal hypertension and prevent variceal bleeding may actually increase your risk for encephalopathy.

Many things can contribute to encephalopathy. These may include the use of sedatives, opioids, or alcohol. Other things that may increase your risk include gastrointestinal bleeding, abnormal levels of electrolytes in the blood (especially low potassium levels), the amount of protein in the diet, infection such as peritonitis, dehydration, or constipation.

How is it treated?

Most cases of encephalopathy are treated using a medicine called lactulose. This drug helps prevent the buildup of substances in the large intestine that may lead to encephalopathy. Lactulose is effective at decreasing ammonia levels in the blood and improving encephalopathy.

If you have had many cases of encephalopathy, your doctor may give you another medicine called rifaximin. This medicine may be used with lactulose to help prevent encephalopathy.

Current as of: October 19, 2023

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

© 2024 Ignite Healthwise, LLC. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Ignite Healthwise, LLC.

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