Viral hepatitis

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Written by Si Li Li
Gastroenterology
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There are several types of viral hepatitis.

Currently, viral hepatitis is divided into five types: Hepatitis A virus, Hepatitis B virus, Hepatitis C virus, Hepatitis D virus, and Hepatitis E virus. All five types of viral hepatitis are nationally designated infectious diseases. Among them, Hepatitis A and Hepatitis E are acute in onset, with a minority of Hepatitis E cases developing into chronic Hepatitis E. They are mainly seen in children and the elderly. Additionally, Hepatitis B, Hepatitis C, and Hepatitis D are primarily chronic in nature. Their modes of transmission also vary.

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Written by Xiong Hong Hai
Infectious Disease
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Which department should I go to for viral hepatitis?

Viral hepatitis generally requires a visit to the departments of infectious diseases or a specialized hepatology department, depending on the hospital’s departmental structure. If there are departments for infectious diseases or infections, those would be the appropriate ones to consult. Viral hepatitis includes various types, the common ones being hepatitis A, B, C, D, and E. The treatment and management of these types differ. Hepatitis A and E are transmitted through the fecal-oral route via the digestive tract and require strengthening liver protection and enzyme reduction management. There are no antiviral drugs for these types. For hepatitis B and C, if there are indications for antiviral treatment, active antiviral therapy should be pursued.

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Written by Zhang Jian Kang
Infectious Disease
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Which department is for viral hepatitis?

Patients with viral hepatitis generally seek treatment at the department of infectious diseases, which was previously dedicated to diseases like viral hepatitis and other infectious illnesses. In recent years, many major hospitals have renamed this department to the department of infection, which not only deals with infectious diseases but also treats various other infections. Therefore, treatment for viral hepatitis should be sought either in the department of infectious diseases or the department of infection. Viral hepatitis mainly comprises infectious diseases such as hepatitis A, B, C, D, and E. These infectious diseases require proper diagnosis and treatment, as failure to treat them timely can lead to complications like liver cirrhosis and liver cancer. For some chronic forms of viral hepatitis, such as hepatitis B and C, the contagion is relatively stronger, and if not treated promptly, it can lead to the spread of hepatitis.

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Written by Zhang Jian Kang
Infectious Disease
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How is viral hepatitis treated?

The treatment of viral hepatitis mainly depends on the type of pathogen causing the hepatitis. Generally, treatment includes the patient being encouraged to rest and pay attention to their diet, which should be light and consist of smaller, more frequent meals. Additionally, medical treatment primarily involves the use of hepatoprotective and enzyme-lowering drugs, and if there is evident jaundice or dark urine, medications to reduce jaundice may be used. Most importantly, the treatment should address the cause of the disease. If hepatitis A or E causes acute jaundice-type hepatitis, it is self-limiting and does not require long-term antiviral treatment. However, if hepatitis B or C causes chronic hepatitis, or if there is already liver cirrhosis, it is essential to undertake antiviral treatment targeting the cause. Timely antiviral treatment can help prevent further progression of the disease. (Specific medications should be taken under the guidance of a physician.)

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Written by Zhang Jian Kang
Infectious Disease
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Is viral hepatitis contagious?

Viral hepatitis is primarily a contagious liver disease, mainly including hepatitis A, B, C, D, E, and others. There are also liver impairments caused by viruses other than these, which also fall under the category of viral hepatitis. Viral hepatitis is contagious, and its transmission routes vary by type. For example, the main transmission route for both hepatitis A and E, which are caused by the hepatitis A and E viruses, is fecal-oral, i.e., through the digestive tract. The primary transmission route for hepatitis B is through blood and bodily fluids, and mother-to-child transmission is also an important pathway for the spread of hepatitis B. The transmission route for hepatitis C mainly involves blood transfusions or blood products. Thus, the pathways of infection differ for each type of hepatitis.

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Written by Zhang Jian Kang
Infectious Disease
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Is viral hepatitis contagious?

Viral hepatitis refers to liver function impairment caused by viral infection, which is generally contagious. Common pathogens include Hepatitis A, B, C, D, E, etc. Among these, Hepatitis A and E are enterically transmitted diseases, mainly spread through fecal-oral transmission; consuming contaminated food can lead to the spread of hepatitis. For Hepatitis B, common transmission routes include mother-to-child transmission and transmission through blood and body fluids. If a mother has Hepatitis B, it is essential to perform mother-to-infant blocking during childbirth. As for Hepatitis C, the main transmission routes are through transfusions or blood products. If the patient is undergoing dialysis or requires blood transfusion treatment, there is a significant risk factor, categorizing them as a high-risk group.

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Written by Zhang Jian Kang
Infectious Disease
1min 10sec home-news-image

What are the symptoms of viral hepatitis?

The symptoms of viral hepatitis mainly manifest as symptoms of liver function impairment. Patients may experience fatigue, poor appetite, nausea, vomiting, discomfort in the upper abdomen, yellowing of the eyes, and dark urine, among other discomforts. Some patients may initially think it is stomach discomfort and thus visit the gastroenterology department, only later to find out through liver function tests that it is viral hepatitis. In addition to these symptoms, viral hepatitis can present other symptoms. For example, in cases of chronic viral hepatitis, such as hepatitis B and C, patients may exhibit features like chronic liver disease facies, spider angiomas, and palmar erythema. If these symptoms appear, it is essential to visit a hospital promptly to determine the extent of liver function damage and identify the specific cause of the liver damage. Only by identifying the cause can the treatment be effectively administered.

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Written by Xiong Hong Hai
Infectious Disease
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incubation period of viral hepatitis

The incubation periods for different types of viral hepatitis vary. Generally, the incubation period for Hepatitis A is about one to two weeks, with the majority occurring within two weeks. The incubation period for Hepatitis E is similar, mostly within two weeks, and many within one week. However, many Hepatitis B infections do not show obvious clinical symptoms, and can even remain asymptomatic for decades. Hepatitis C infections often also do not display clear clinical symptoms after infection. Years after infection, cirrhosis may develop, but there are no obvious clinical symptoms during this period.

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Written by Zhang Jian Kang
Infectious Disease
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What department should I go to for viral hepatitis?

Viral hepatitis refers to liver inflammation caused by hepatitis viruses, such as hepatitis A, B, C, D, and E, which lead to liver function impairment. Generally, the liver inflammation caused by these viruses is infectious. Thus, viral hepatitis is treated in the department of infectious diseases. However, if secondary hospitals or other general hospitals do not have such specific subdivisions, patients with viral hepatitis can also visit the department of gastroenterology. Currently, many infectious diseases departments are also called departments of contagion. It is one and the same department, and if there is no department of infectious diseases, one must visit either the department of contagion or gastroenterology for treatment.

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Written by Xiong Hong Hai
Infectious Disease
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What are the symptoms of viral hepatitis?

Viral hepatitis, if obvious clinical symptoms occur, usually indicates significant liver dysfunction. The symptoms are mainly related to the condition of liver function. If liver function is significantly abnormal, there will be noticeable clinical symptoms. If liver function is relatively normal, there generally won't be clinical symptoms. Common symptoms include fatigue, aversion to oil, nausea, abdominal bloating, poor appetite, jaundice of skin and mucous membranes, and a range of other symptoms. Some patients may also experience fever during the acute phase.