Nonalcoholic fatty liver disease (NAFLD) is a buildup of fat in the liver that is not caused by drinking alcohol.
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NAFLD happens when the liver cannot break down fats and they build up in liver tissue. Many health problems can make it hard for the liver to break down fats.
Things that may raise the risk of NAFLD are:
Most people do not have symptoms. Those who do may have:
The doctor will ask about your symptoms and health history. A physical exam will be done.
Blood tests will be done to look for raised liver enzymes.
Images may be taken to look at the liver. This can be done with:
A sample of the liver may be tested. This can be done with a liver biopsy.
The cause of NAFLD will need to be treated. Options may be:
People with severe symptoms may need bariatric surgery.
American Liver Foundation
https://www.liverfoundation.org
National Institute of Diabetes and Digestive and Kidney Diseases
https://www.niddk.nih.gov
Canadian Liver Foundation
https://www.liver.ca
Health Canada
https://www.canada.ca
Nonalcoholic fatty liver disease. American Liver Foundation website. Available at: https://www.liverfoundation.org/for-patients/about-the-liver/diseases-of-the-liver/non-alcoholic-fatty-liver-disease. Accessed May 5, 2020.
Nonalcoholic fatty liver disease (NAFLD). EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/nonalcoholic-fatty-liver-disease-nafld . Updated December 17, 2019. Accessed May 5, 2020.
Nonalcoholic steatohepatitis. National Institute of Diabetes and Digestive and Kidney Diseases website. Available at: https://www.niddk.nih.gov/health-information/liver-disease/nafld-nash. Accessed May 5, 2020.
Rinella ME. Nonalcoholic fatty liver disease: a systematic review. JAMA. 2015 Jun 9;313(22):2263-2273.
Last reviewed February 2020 by EBSCO Medical Review Board Daniel A. Ostrovsky, MD