Can cirrhosis be contagious?

Written by Si Li Li
Gastroenterology
Updated on March 31, 2025
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Diseases that cause cirrhosis include viral hepatitis, such as chronic hepatitis B, chronic hepatitis C, and others, as well as alcoholic liver disease or autoimmune liver disease, all of which can lead to cirrhosis. Only cirrhosis caused by viral hepatitis can be contagious, and it only transmits hepatitis B or C virus, not cirrhosis directly. After a patient is infected with hepatitis B or C virus, they may gradually develop chronic hepatitis B or C. Over a long period of time, the virus damages the liver cells which can eventually lead to cirrhosis. Thus, cirrhosis itself is not contagious; only the virus can be transmitted.

Other Voices

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Written by Wu Hai Wu
Gastroenterology
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How long does it take to see the effects of Chinese medicine in the early stages of cirrhosis?

As for how long it takes to see the effects of traditional Chinese medicine in the early stages of cirrhosis, it depends on the specific cause of the disease. Depending on different causes, the time to see effects may vary. For instance, if it is early-stage alcoholic cirrhosis or drug-induced early-stage cirrhosis, after abstaining from alcohol and stopping the use of some liver-damaging medications, then supplementing with traditional Chinese medicine treatment, effects can be seen quite quickly. If it is caused by viral hepatitis and has not undergone standard antiviral treatment, relying solely on oral intake of traditional Chinese medicine, it might take a relatively long time to see some effects. Furthermore, the effects will be better after undergoing antiviral treatment.

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Written by Huang Gang
Gastroenterology
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The difference between fatty liver and liver cirrhosis

Fatty liver is shown through ultrasound as having an increased and finely detailed echo in the liver, which is completely different from liver cirrhosis. Liver cirrhosis is generally caused by the progression of chronic hepatitis, commonly seen in hepatitis B-related cirrhosis, hepatitis C-related cirrhosis, and alcoholic cirrhosis. Cirrhosis resulting from drug-induced liver damage or from severe fatty liver is relatively rare in clinical practice. Therefore, we should not panic. Once diagnosed with fatty liver, it can be reversed through proper diet and reasonable exercise, and its progression to liver cirrhosis can be prevented. So, everyone, there is no need to rush or panic.

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Written by Si Li Li
Gastroenterology
46sec home-news-image

Can cirrhosis be contagious?

Diseases that cause cirrhosis include viral hepatitis, such as chronic hepatitis B, chronic hepatitis C, and others, as well as alcoholic liver disease or autoimmune liver disease, all of which can lead to cirrhosis. Only cirrhosis caused by viral hepatitis can be contagious, and it only transmits hepatitis B or C virus, not cirrhosis directly. After a patient is infected with hepatitis B or C virus, they may gradually develop chronic hepatitis B or C. Over a long period of time, the virus damages the liver cells which can eventually lead to cirrhosis. Thus, cirrhosis itself is not contagious; only the virus can be transmitted.

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Written by Yang Chun Guang
Gastroenterology
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Is alcoholic cirrhosis ascites serious?

Once ascites caused by alcoholic liver cirrhosis is discovered, it indicates that the liver has reached the decompensated stage of cirrhosis, which is quite severe. Decompensated cirrhosis itself has a relatively low five-year and ten-year survival rate. Moreover, once the liver enters the decompensated stage, it is also prone to corresponding complications, such as gastrointestinal bleeding, hepatic encephalopathy, infections, etc. Therefore, when alcoholic liver cirrhosis presents with ascites, it is crucial to seek treatment at a formal hospital. The condition is quite serious and requires active treatment.

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Written by Yang Chun Guang
Gastroenterology
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Is liver cirrhosis with ascites contagious?

Liver cirrhosis in the decompensated stage with ascites present is not inherently contagious. Whether the condition is infectious depends not on the severity of liver function, the degree of liver cirrhosis, or the gravity of ascites, but rather on the underlying cause of the liver cirrhosis. For example, liver cirrhosis caused by alcohol consumption is not contagious. However, if the liver cirrhosis is due to viral hepatitis, such as commonly seen with hepatitis B or C, the condition can be infectious. Therefore, the presence of ascites or liver cirrhosis itself is not an indicator of infectiousness; the crucial factor is whether there is an infectious virus present.