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Liver Failure

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Liver failure occurs when large parts of the liver become damaged beyond repair and the liver is no longer able to function.

Liver failure is a life-threatening condition that demands urgent medical care. Most often, liver failure occurs gradually and over many years. However, a more rare condition known as acute liver failure occurs rapidly (in as little as 48 hours) and can be difficult to detect initially.

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What Causes Liver Failure?

The most common causes of chronic liver failure (where the liver fails over months to years) include:

  • Hepatitis B
  • Hepatitis C
  • Long term alcohol consumption
  • Cirrhosis
  • Hemochromatosis (an inherited disorder that causes the body to absorb and store too much iron)
  • Malnutrition

The causes of acute liver failure, when the liver fails rapidly, however, are often different. These include:

  • Acetaminophen (Tylenol) overdose.
  • Viruses including hepatitis A, B, and C (especially in children).
  • Reactions to certain prescription and herbal medications.
  • Ingestion of poisonous wild mushrooms.

 

What Are the Symptoms of Liver Failure?

The initial symptoms of liver failure are often ones that can be due to any number or conditions. Because of this, liver failure may be initially difficult to diagnose. Early symptoms include:

  • Nausea
  • Loss of appetite
  • Fatigue
  • Diarrhea

However, as liver failure progresses, the symptoms become more serious, requiring urgent care. These symptoms include:

  • Jaundice
  • Bleeding easily
  • Swollen abdomen
  • Mental disorientation or confusion (known as hepatic encephalopathy)
  • Sleepiness
  • Coma

How Is Liver Failure Treated?

If detected early enough, acute liver failure caused by an overdose of acetaminophen can sometimes be treated and its effects reversed. Likewise, if a virus causes liver failure, supportive care can be given at a hospital to treat the symptoms until the virus runs its course. In these cases, the liver will sometimes recover on its own.

For liver failure that is the result of long-term deterioration, the initial treatment goal may be to save whatever part of the liver is still functioning. If this is not possible, then a liver transplant is required. Fortunately, liver transplant is a common procedure that is often successful.

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