Hepatitis B (cont.)
Mary D. Nettleman, MD, MS, MACP
Mary D. Nettleman, MD, MS, MACP
Mary D. Nettleman, MD, MS, MACP is the Chair of the Department of Medicine at Michigan State University. She is a graduate of Vanderbilt Medical School, and completed her residency in Internal Medicine and a fellowship in Infectious Diseases at Indiana University.
Mohamad El Mortada, MD
In this Article
What are the symptoms of chronic hepatitis B?
The liver is a vital organ that has many functions. These include a role in the immune system, production of clotting factors, producing bile for digestion, and breaking down toxic substances, etc. Patients with chronic hepatitis B develop symptoms in proportion to the degree of abnormalities in these functions. The signs and symptoms of chronic hepatitis B vary widely depending on the severity of the liver damage. They range from few and relatively mild signs and symptoms to signs and symptoms of severe liver disease such as cirrhosis or liver failure.
Most individuals with chronic hepatitis B remain symptom free for many years or decades. During this time, the patient's liver function blood tests usually are normal or only mildly abnormal. Some patients may deteriorate and develop inflammation or symptoms, putting them at risk for developing cirrhosis.
Cirrhosis of the liver due to hepatitis B
Inflammation from chronic hepatitis B can progress to cirrhosis (severe scarring) of the liver. Significant amounts of scarring and cirrhosis lead to liver dysfunction.
Symptoms may include:
Decreased absorption of vitamins A and D can cause impaired vision at night and thinning of bones (osteoporosis). Patients with liver cirrhosis also are at risk of infections because the liver plays an important role in the immune system.
Advanced cirrhosis of the liver due to hepatitis B
In patients with advanced cirrhosis, the liver begins to fail. This is life-threatening condition.
Several complications occur in advanced cirrhosis:
Hepatitis B virus and primary liver cancer (hepatocellular carcinoma)
Patients with chronic hepatitis B are at risk of developing liver cancer. The way in which the cancer develops is not fully understood. Symptoms of liver cancer are nonspecific. Patients may have no symptoms, or they may experience abdominal pain and swelling, an enlarged liver, weight loss, and fever. The most useful diagnostic screening tests for liver cancer are a blood test for a protein produced by the cancer called alpha-fetoprotein and an ultrasound imaging study of the liver. These two tests are used to screen patients with chronic hepatitis B, especially if they have cirrhosis or a family history of liver cancer.
Hepatitis B virus involvement of organs outside of the liver (extra-hepatic)
Rarely, chronic hepatitis B infection can lead to disorders that affect organs other than the liver. These conditions are caused when the normal immune response to hepatitis B mistakenly attacks uninfected organs.
Among these conditions are:
Medically Reviewed by a Doctor on 4/3/2014
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