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How do you feel when your liver is failing?

Nausea. Vomiting. A general sense of feeling unwell (malaise) Disorientation or confusion.

mayoclinic.org - Acute liver failure - Symptoms and causes - Mayo Clinic

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Overview

Acute liver failure is loss of liver function that occurs quickly — in days or weeks — usually in a person who has no preexisting liver disease. It's most commonly caused by a hepatitis virus or drugs, such as acetaminophen. Acute liver failure is less common than chronic liver failure, which develops more slowly. Acute liver failure, also known as fulminant hepatic failure, can cause serious complications, including bleeding and increased pressure in the brain. It's a medical emergency that requires hospitalization. Depending on the cause, acute liver failure can sometimes be reversed with treatment. In many situations, though, a liver transplant may be the only cure.

Symptoms

Signs and symptoms of acute liver failure may include:

Yellowing of your skin and eyeballs (jaundice)

Pain in your upper right abdomen

A swollen belly (ascites)

Nausea

Vomiting

A general sense of feeling unwell (malaise)

Disorientation or confusion

Sleepiness

Breath may have a musty or sweet odor

Tremors

When to see a doctor

Acute liver failure can develop quickly in an otherwise healthy person, and it is life-threatening. If you or someone you know suddenly develops a yellowing of the eyes or skin; tenderness in the upper abdomen; or any unusual changes in mental state, personality or behavior, seek medical attention right away. There is a problem with information submitted for this request. Review/update the information highlighted below and resubmit the form. From Mayo Clinic to your inbox Sign up for free, and stay up to date on research advancements, health tips and current health topics, like COVID-19, plus expertise on managing health. Email ErrorEmail field is required ErrorInclude a valid email address Learn more about Mayo Clinic’s use of data. To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and website usage information with other information we have about you. If you are a Mayo Clinic patient, this could include protected health information. If we combine this information with your protected health information, we will treat all of that information as protected health information and will only use or disclose that information as set forth in our notice of privacy practices. You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail. Subscribe! Thank you for subscribing! You'll soon start receiving the latest Mayo Clinic health information you requested in your inbox. Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry

Causes

Acute liver failure occurs when liver cells are damaged significantly and are no longer able to function. Potential causes include: Acetaminophen overdose. Taking too much acetaminophen (Tylenol, others) is the most common cause of acute liver failure in the United States. Outside of the United States, acetaminophen is known as paracetamol. Acute liver failure can occur after one very large dose of acetaminophen, or after higher than recommended doses every day for several days. If you or someone you know has taken an overdose of acetaminophen, seek medical attention as quickly as possible. Treatment may prevent liver failure. Don't wait for the signs of liver failure. Prescription medications. Some prescription medications, including antibiotics, nonsteroidal anti-inflammatory drugs and anticonvulsants, can cause acute liver failure. Some prescription medications, including antibiotics, nonsteroidal anti-inflammatory drugs and anticonvulsants, can cause acute liver failure. Herbal supplements. Herbal drugs and supplements, including kava, ephedra, skullcap and pennyroyal, have been linked to acute liver failure. Herbal drugs and supplements, including kava, ephedra, skullcap and pennyroyal, have been linked to acute liver failure. Hepatitis and other viruses. Hepatitis A, hepatitis B and hepatitis E can cause acute liver failure. Other viruses that can cause acute liver failure include Epstein-Barr virus, cytomegalovirus and herpes simplex virus. Hepatitis A, hepatitis B and hepatitis E can cause acute liver failure. Other viruses that can cause acute liver failure include Epstein-Barr virus, cytomegalovirus and herpes simplex virus. Toxins. Toxins that can cause acute liver failure include the poisonous wild mushroom Amanita phalloides, which is sometimes mistaken for one that is safe to eat. Carbon tetrachloride is another toxin that can cause acute liver failure. It is an industrial chemical found in refrigerants and solvents for waxes, varnishes and other materials.

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Toxins that can cause acute liver failure include the poisonous wild mushroom Amanita phalloides, which is sometimes mistaken for one that is safe to eat. Carbon tetrachloride is another toxin that can cause acute liver failure. It is an industrial chemical found in refrigerants and solvents for waxes, varnishes and other materials. Autoimmune disease. Liver failure can be caused by autoimmune hepatitis — a disease in which your immune system attacks liver cells, causing inflammation and injury. Liver failure can be caused by autoimmune hepatitis — a disease in which your immune system attacks liver cells, causing inflammation and injury. Diseases of the veins in the liver. Vascular diseases, such as Budd-Chiari syndrome, can cause blockages in the veins of the liver and lead to acute liver failure. Vascular diseases, such as Budd-Chiari syndrome, can cause blockages in the veins of the liver and lead to acute liver failure. Metabolic disease. Rare metabolic diseases, such as Wilson's disease and acute fatty liver of pregnancy, infrequently cause acute liver failure. Rare metabolic diseases, such as Wilson's disease and acute fatty liver of pregnancy, infrequently cause acute liver failure. Cancer. Cancer that either begins in or spreads to your liver can cause your liver to fail. Cancer that either begins in or spreads to your liver can cause your liver to fail. Shock. Overwhelming infection (sepsis) and shock can severely reduce blood flow to the liver, causing liver failure. Overwhelming infection (sepsis) and shock can severely reduce blood flow to the liver, causing liver failure. Heat stroke. Extreme physical activity in a hot environment can trigger acute liver failure.

Some cases of acute liver failure have no obvious cause.

Complications

Acute liver failure often causes complications, including:

Too much fluid in the brain (cerebral edema). Too much fluid causes pressure to build up in your brain, which can lead to disorientation, severe mental confusion and seizures. Too much fluid causes pressure to build up in your brain, which can lead to disorientation, severe mental confusion and seizures. Bleeding and bleeding disorders. A failing liver cannot make enough clotting factors, which help blood to clot. Bleeding in the gastrointestinal tract is common with this condition. It may be difficult to control. A failing liver cannot make enough clotting factors, which help blood to clot. Bleeding in the gastrointestinal tract is common with this condition. It may be difficult to control. Infections. People with acute liver failure are more likely to develop infections, particularly in the blood and in the respiratory and urinary tracts. People with acute liver failure are more likely to develop infections, particularly in the blood and in the respiratory and urinary tracts. Kidney failure. Kidney failure often occurs after liver failure, especially if you had an acetaminophen overdose, which damages both your liver and your kidneys.

Prevention

Reduce your risk of acute liver failure by taking care of your liver. Follow instructions on medications. If you take acetaminophen or other medications, check the package insert for the recommended dosage, and don't take more than that. If you already have liver disease, ask your health care provider if it is safe to take any amount of acetaminophen. If you take acetaminophen or other medications, check the package insert for the recommended dosage, and don't take more than that. If you already have liver disease, ask your health care provider if it is safe to take any amount of acetaminophen. Tell your provider about all your medicines. Even over-the-counter and herbal medicines can interfere with prescription drugs you're taking.

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Even over-the-counter and herbal medicines can interfere with prescription drugs you're taking. Drink alcohol in moderation, if at all. If you choose to drink alcohol, do so in moderation. For healthy adults, that means up to one drink a day for women and up to two drinks a day for men. If you choose to drink alcohol, do so in moderation. For healthy adults, that means up to one drink a day for women and up to two drinks a day for men. Avoid risky behavior. Get help if you use illicit intravenous drugs. Don't share needles. Use condoms during sex. If you get tattoos or body piercings, make sure the shop you choose is clean and safe. Don't smoke. Get help if you use illicit intravenous drugs. Don't share needles. Use condoms during sex. If you get tattoos or body piercings, make sure the shop you choose is clean and safe. Don't smoke. Get vaccinated. If you have chronic liver disease, a history of any type of hepatitis infection or an increased risk of hepatitis, talk to your provider about getting the hepatitis B vaccine. A vaccine also is available for hepatitis A. If you have chronic liver disease, a history of any type of hepatitis infection or an increased risk of hepatitis, talk to your provider about getting the hepatitis B vaccine. A vaccine also is available for hepatitis A. Avoid contact with other people's blood and body fluids. Accidental needle sticks or improper cleanup of blood or body fluids can spread hepatitis viruses. Sharing razor blades or toothbrushes also can spread infection. Accidental needle sticks or improper cleanup of blood or body fluids can spread hepatitis viruses. Sharing razor blades or toothbrushes also can spread infection. Don't eat wild mushrooms. It can be difficult to tell the difference between a poisonous mushroom and one that is safe to eat. It can be difficult to tell the difference between a poisonous mushroom and one that is safe to eat. Take care with aerosol sprays. When you use an aerosol cleaner, make sure the room is ventilated, or wear a mask. Take similar protective measures when spraying insecticides, fungicides, paint and other toxic chemicals. Follow product instructions carefully. When you use an aerosol cleaner, make sure the room is ventilated, or wear a mask. Take similar protective measures when spraying insecticides, fungicides, paint and other toxic chemicals. Follow product instructions carefully. Watch what gets on your skin. When using insecticides and other toxic chemicals, cover your skin with gloves, long sleeves, a hat and a mask. When using insecticides and other toxic chemicals, cover your skin with gloves, long sleeves, a hat and a mask. Maintain a healthy weight. Obesity can cause a condition called nonalcoholic fatty liver disease, which may include fatty liver, hepatitis and cirrhosis. Our patients tell us that the quality of their interactions, our attention to detail and the efficiency of their visits mean health care like they've never experienced. See the stories of satisfied Mayo Clinic patients.

mayoclinic.org - Acute liver failure - Symptoms and causes - Mayo Clinic

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