Chronic liver disease

What is Chronic liver disease?

Chronic liver disease is long-term damage to the liver that happens over months or years. The liver is your body's main filter. It cleans toxins from your blood, makes proteins, and helps digest food. When the liver is damaged over time, scar tissue replaces healthy tissue. This scarring is called fibrosis. As fibrosis gets worse, it becomes cirrhosis.

The liver can repair itself when damage is mild. But once scarring becomes severe, the liver loses its ability to function properly. This can lead to liver failure, which is life threatening. Many types of chronic liver disease exist, including fatty liver disease, viral hepatitis, and alcoholic liver disease.

The good news is that early detection can help slow or stop liver damage. Many people can improve their liver health through lifestyle changes. Treating the root cause of liver damage can prevent progression to cirrhosis or liver failure.

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Symptoms

Fatigue and weakness that does not improve with rest
Loss of appetite and unexplained weight loss
Nausea and vomiting
Abdominal pain or swelling, especially in the upper right side
Yellowing of the skin and eyes, called jaundice
Dark urine or pale stools
Itchy skin without rash
Swelling in the legs and ankles, called edema
Easy bruising or bleeding
Confusion or difficulty concentrating, called hepatic encephalopathy

Many people with early chronic liver disease have no symptoms at all. The liver can continue to work even when significantly damaged. Symptoms often appear only when the disease has progressed to a more advanced stage. This is why regular screening is important if you have risk factors.

Causes and risk factors

Chronic liver disease has many possible causes. Alcohol use is one of the most common causes, as heavy drinking damages liver cells over time. Nonalcoholic fatty liver disease happens when fat builds up in the liver of people who drink little or no alcohol. This condition is linked to obesity, diabetes, and high cholesterol. Viral hepatitis, including hepatitis B and hepatitis C, causes long-term inflammation that can lead to cirrhosis. Autoimmune hepatitis occurs when your immune system attacks your liver. Genetic conditions like hemochromatosis and Wilson disease cause harmful substances to build up in the liver.

Risk factors include obesity, type 2 diabetes, high cholesterol, and heavy alcohol use. Certain medications and toxins can also damage the liver. Having multiple risk factors increases your chance of developing chronic liver disease. Family history of liver disease raises your risk as well. Making lifestyle changes to address these risk factors can help protect your liver health.

How it's diagnosed

Doctors diagnose chronic liver disease using blood tests, imaging, and sometimes liver biopsy. Blood tests check liver enzymes like ALT and AST, which rise when liver cells are damaged. Tests also measure bilirubin, albumin, and blood clotting factors to see how well your liver is working. Specialized tests can detect viral hepatitis infections and antibodies that indicate past exposure to hepatitis viruses. Imaging tests like ultrasound, CT scans, or MRI can show liver size, shape, and scarring.

If you have concerns about liver health, talk to a doctor about which tests are right for you. They can order specialized liver function panels and viral hepatitis tests based on your symptoms and risk factors. Early testing helps catch liver damage before it becomes severe. Chat with our team to discuss your liver health concerns and next steps.

Treatment options

Stop drinking alcohol completely if alcohol is contributing to liver damage
Lose weight gradually through diet and exercise if you have fatty liver disease
Eat a balanced diet low in processed foods, sugar, and saturated fats
Avoid medications and supplements that can harm the liver
Treat underlying conditions like diabetes, high cholesterol, and hepatitis infections
Antiviral medications for chronic hepatitis B or hepatitis C infections
Medications to manage complications like fluid buildup or hepatic encephalopathy
Regular monitoring with blood tests and imaging to track disease progression
Liver transplant for advanced cirrhosis or liver failure
Work with a hepatologist, a doctor who specializes in liver diseases

Frequently asked questions

Acute liver disease happens suddenly and lasts less than six months. Chronic liver disease develops slowly over months or years. Acute liver problems can sometimes heal completely with treatment. Chronic liver disease causes permanent damage that progresses over time.

Early stages of liver damage can sometimes be reversed with lifestyle changes and treatment. Once cirrhosis develops, the scarring is permanent. However, treating the underlying cause can prevent further damage. Stopping the progression is key to avoiding liver failure.

Life expectancy depends on the stage of disease and how well it is managed. People with early-stage liver disease can live normal lifespans with proper treatment. Advanced cirrhosis significantly reduces life expectancy. Early detection and lifestyle changes improve outcomes.

Liver function tests measure enzymes like ALT, AST, alkaline phosphatase, and bilirubin. Tests also check albumin and blood clotting factors. Viral hepatitis tests detect hepatitis A, B, and C infections. Additional tests may look for autoimmune markers or genetic conditions affecting the liver.

Fatty liver disease is one type of chronic liver disease. It happens when fat builds up in liver cells. If left untreated, fatty liver can progress to inflammation, fibrosis, and cirrhosis. Not everyone with fatty liver develops serious liver disease, but it raises your risk.

Avoid alcohol completely, as it accelerates liver damage. Limit salt to reduce fluid retention. Reduce saturated fats, fried foods, and processed meats. Avoid raw or undercooked shellfish, which can carry infections dangerous for people with liver disease.

Early liver disease often causes no noticeable symptoms. As damage progresses, you may feel fatigue, abdominal discomfort, or notice swelling. Pain in the upper right abdomen can indicate liver inflammation. Many people do not realize they have liver disease until symptoms become severe.

Hepatitis A typically causes acute infection that resolves on its own. It does not usually cause chronic liver disease like hepatitis B and C do. However, hepatitis A can worsen existing liver damage in people who already have chronic liver disease. Testing for hepatitis A antibodies shows if you had past exposure.

Stop drinking alcohol and maintain a healthy weight through diet and exercise. Eat whole foods, vegetables, lean proteins, and healthy fats. Stay hydrated and avoid unnecessary medications or supplements. Regular physical activity helps reduce liver fat and inflammation.

See a doctor if you have persistent fatigue, unexplained weight loss, or abdominal pain. Yellowing skin or eyes requires immediate medical attention. If you have risk factors like diabetes, obesity, or heavy alcohol use, ask about liver screening. Early testing catches problems before they become severe.