Your Positive HBsAg Test Result for Hepatitis B - Gastroenterology and Hepatology

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Please ask your questions regarding HBsAg, the hepatitis B surface antigen?


Hello Doctor: I underwent a health check in August this year and recently received the test report.
The report simply states that the HBsAg (Hepatitis B surface antigen) is Positive (5681).
I would like to ask for your advice regarding this test result.
Thank you.

Ms. Zhang, 60~69 year old female. Ask Date: 2022/10/31

Dr. Chen Shidian reply Gastroenterology and Hepatology


Positive, indicating chronic hepatitis B carrier status, with follow-up at least once every six months.

Reply Date: 2022/10/31

More Info


A positive HBsAg (Hepatitis B surface antigen) test result indicates that you are currently infected with the Hepatitis B virus (HBV). The HBsAg is a protein on the surface of the virus, and its presence in your blood signifies that the virus is actively replicating in your body. The numerical value you provided (5681) suggests a significant viral load, which may indicate a higher level of viral activity.

Given that your HBsAg is positive, it is crucial to understand the implications of this result. Here are some key points to consider:
1. Current Infection: A positive HBsAg result means you have an active Hepatitis B infection. This could be either acute (recently acquired) or chronic (long-term infection). The duration of your infection can be assessed through additional tests.

2. Further Testing: To determine the stage of your infection, additional tests are necessary. These may include:
- HBeAg (Hepatitis B e antigen): This test helps assess the level of viral replication and infectivity. A positive HBeAg indicates high viral replication, while a negative result suggests lower levels of the virus.

- Anti-HBe (Hepatitis B e antibody): The presence of this antibody typically indicates that the virus is less active and that the body is developing an immune response.

- HBV DNA Quantification: This test measures the actual amount of virus in your blood and helps in assessing the severity of the infection.

- Liver Function Tests: These tests evaluate how well your liver is functioning and whether there is any liver damage.

3. Potential for Transmission: Since you are currently infected, it is important to be aware that Hepatitis B is contagious. The virus can be transmitted through blood, sexual contact, and from mother to child during childbirth. It is advisable to take precautions to prevent spreading the virus to others.

4. Monitoring and Treatment: Depending on the results of your follow-up tests, your healthcare provider may recommend regular monitoring or treatment. Chronic Hepatitis B can lead to serious complications, including liver cirrhosis and liver cancer, so early intervention is crucial. Antiviral medications may be prescribed if your infection is chronic and poses a risk of liver damage.

5. Lifestyle Considerations: Maintaining a healthy lifestyle is essential for managing Hepatitis B. This includes avoiding alcohol, eating a balanced diet, and getting regular exercise. Additionally, it is important to have regular check-ups with your healthcare provider to monitor your liver health.

6. Vaccination for Close Contacts: If you have family members or close contacts who are not vaccinated against Hepatitis B, it is advisable for them to get vaccinated to prevent infection.

In summary, a positive HBsAg result indicates an active Hepatitis B infection, and it is important to follow up with your healthcare provider for further testing and management. Understanding your condition and taking appropriate actions can help you manage your health effectively and reduce the risk of complications.

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