(NAFLD, Nonalcoholic Steatohepatitis [NASH])
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Nonalcoholic fatty liver disease involves the build-up of fat in the liver of people who drink little or no alcohol. It is a common condition. NAFLD may not cause any problems if it is mild. In some cases, it can cause inflammation and scarring in the liver. If this is severe, it can cause liver failure.
When the liver is unable to break down fats, they build up in liver tissue. Many conditions and diseases make it difficult for the liver to break down fats.
NAFLD is more common in men and with increasing age. Other factors that increase your chance of developing NAFLD include:
This disease often causes no symptoms. If fatty build-up is causing the liver not to function well, you may have symptoms. Symptoms may include:
- Pain in the upper right side of the abdomen
- Muscle weakness
- Itchy skin
- Lack of appetite
- Weight loss
Your doctor will ask about your symptoms and medical history. A physical exam will be done.
Tests may include:
Treatment focuses on the factors that are causing fatty liver disease. Talk with your doctor about the best treatment plan for you. Treatment may focus on avoiding certain medications, chemicals, or lifestyle factors that can damage your liver.