Understanding Hepatitis B Antigens and Antibodies: What Your Test Results Mean
B cell antigens and antibodies Dear Director Chen, In my daughter's health check report, the Hepatitis B surface antigen is 0.6 (-) (reference value < 1), and the antibody level is > 1000 (she just received an additional dose of the vaccine). I would like to ask you, ...
Dr. Chen Shidian Reply:
Dear Mrs. Lin, This is just a presentation from the laboratory unit. As long as the result is less than 1, it is considered negative, so there is no need to worry! Having antibodies (especially with a strong positive result >1000) is even more reassuring. Changhua Hospital c...[Read More] Understanding Hepatitis B Antigens and Antibodies: What Your Test Results Mean
Understanding Hepatitis B: Negative Antibodies and Vaccination Recommendations
Hepatitis B The presence of negative antibody-antigen results does not necessarily indicate that you have hepatitis B. The report suggests that you should consider getting vaccinated.
Dr. Chen Qifeng Reply:
Hello: If the surface antigen and antibodies are negative, and anti-HBc is present, it indicates that the individual has never been infected and has not been vaccinated. Vaccination should be administered. Wishing you peace and health. Dr. Chi-Feng Chen, Gastroenterology Departme...[Read More] Understanding Hepatitis B: Negative Antibodies and Vaccination Recommendations
Understanding Hepatitis B Transmission Risks After Exposure
Hepatitis B Last Monday, I accidentally drank from a beverage that my friend, who has hepatitis B, had consumed during our meal. The next day, Tuesday, I went to the hospital for a blood test. Yesterday, I received the report showing that the hepatitis B surface antigen is negati...
Dr. Chen Qifeng Reply:
Hello: 1. Hepatitis B is not transmitted through food. 2. Even if one is infected with Hepatitis B, there will be an incubation period, and surface antibodies will not appear that quickly. Wishing you peace and health. Dr. Chi-Feng Chen, Department of Gastroenterology, Taoyuan Ho...[Read More] Understanding Hepatitis B Transmission Risks After Exposure
Understanding Hepatitis B Antigen and Antibody Results: What Do They Mean?
Hepatitis B antigen and antibody issues? Hello Dr. Chen: I went to the laboratory to check for Hepatitis B surface antigen and antibody. The antigen result is 0.636 (reference value <1), and the antibody result is 18 (weak positive). Could you please tell me if an antigen leve...
Dr. Chen Shidian Reply:
Dear Ms. Liu, An antigen level of less than 1 is considered negative. If the antibody is positive but at a low level, and there has been no exposure to hepatitis B patients, there is no need for additional vaccination. Best regards, Gastroenterology Department, Changhua Hos...[Read More] Understanding Hepatitis B Antigen and Antibody Results: What Do They Mean?
Understanding Hepatitis B: Testing Negative After Possible Exposure
Hepatitis B Last month, while having dinner with a friend, I accidentally drank from a beverage he had consumed. This friend has hepatitis B. The next day, which was last Tuesday, I went to the hospital for a blood test. Yesterday, I reviewed the report, and it showed that the he...
Dr. Chen Qifeng Reply:
Hello: It is definitely not the case. Hepatitis B is not transmitted through food, and there is an incubation period. You likely have antibodies and have developed immunity. Wishing you peace and good health. Sincerely, Dr. Chi-Feng Chen, Gastroenterology, Taoyuan General Hospita...[Read More] Understanding Hepatitis B: Testing Negative After Possible Exposure
Understanding Hepatitis B Surface Antigen and Antibody Results
Hepatitis B surface antigen (HBsAg) Hello Doctor: Last Monday, I accidentally drank from a beverage that my friend, who has hepatitis B, had consumed during our meal. The next day, Tuesday, I went to the hospital for a blood test. Yesterday, I reviewed the report, which showed th...
Dr. Chen Qifeng Reply:
Hello: Hepatitis B is not transmitted through food. Even if transmission occurs, antibodies do not develop that quickly. Wishing you peace and health. Dr. Chi-Feng Chen, Gastroenterology Department, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Hepatitis B Surface Antigen and Antibody Results
Can Hepatitis B Medications Heptavir and Tenofovir Be Taken Together?
Can Huileitong be taken in combination with Ganshin? Hello Dr. Chen: I have heard that the antiviral oral medication "Hepcludex" should not be taken in combination with "Tenofovir" and should also not be used with Truvada or Atripla. My doctor has prescribed m...
Dr. Chen Shidian Reply:
Hello Mr. Su, it is indeed uncommon to use both Harvoni and Daclatasvir together, unless there is prior research on the viral RNA resistance mutation points. Generally, Harvoni alone is sufficient. The rate of disappearance of the E antigen is inherently slow. Please continue you...[Read More] Can Hepatitis B Medications Heptavir and Tenofovir Be Taken Together?
Understanding Hepatitis B Antibody Results: Vaccination Guidance for Parents
Hepatitis B antibodies Hello Dr. Chen: My daughter had a school health check-up, and her hepatitis B antibody test result was positive at 17, indicating a weak positive. It is recommended that she receive a booster vaccine. The hepatitis B antigen result was negative at 0.5 (<...
Dr. Chen Shidian Reply:
Hello, Mrs. Lin. 1. There are no regulations requiring the general public to receive booster vaccinations. 2. For those who wish to receive a booster on their own, one dose is sufficient for effectiveness. Antibody levels should be checked approximately one month after vaccina...[Read More] Understanding Hepatitis B Antibody Results: Vaccination Guidance for Parents
Understanding Your Liver Health: Interpreting HBsAg and HBsAb Results
Interpretation of the Examination Report Hello, doctor. In my previous health check report, there were several data points as follows: HBsAg result 0.00 (-), reference value <0.05; HBsAb result 328.8 (+), reference value <10. Since the HBsAb result of 328.8 (+) is not less ...
Dr. Cai Anshun Reply:
Hello: The {s} in HBsAg represents the surface antigen of the hepatitis B virus. Your value is 0, indicating that you are not a carrier of hepatitis B. HBsAb represents the antibodies for hepatitis B, and your value is 328.8, indicating that you have immunity against hepatitis B....[Read More] Understanding Your Liver Health: Interpreting HBsAg and HBsAb Results
Managing Chronic Hepatitis B: Treatment Decisions and Health Concerns
After three years of taking Baraclude, issues related to hepatitis B treatment? Hello Dr. Lin, three years ago I had an acute phase of hepatitis B, with liver enzyme levels exceeding 2000. An ultrasound showed no tumors. After taking Baraclude for a month or two, my liver enzymes...
Dr. Lin Minghui Reply:
Hello: 1. For patients with chronic hepatitis B who exhibit significant inflammation or high levels of viral replication, consideration should be given to pharmacological treatment. Treatment options include antiviral medications or interferon. The interferon treatment regimen ...[Read More] Managing Chronic Hepatitis B: Treatment Decisions and Health Concerns
Can Hepatitis B e Antigen Turn Negative Without Treatment?
Regarding e antigen? Is it possible for the e antigen to become negative without pharmacological treatment?
Dr. Chen Shidian Reply:
Hello Gladylei, the E antigen is a protein produced by the virus. As the patient's immune system strengthens, it suppresses the virus or the virus may mutate, leading to a loss of the ability to produce the E antigen. This can result in a negative E antigen status. However, ...[Read More] Can Hepatitis B e Antigen Turn Negative Without Treatment?
Discrepancies in Hepatitis B Test Results: What You Need to Know
The reports on hepatitis B vary? I apologize, but I would like to ask about a situation where I was diagnosed with Hepatitis B (positive for surface antigen) at the first hospital, but a second hospital conducted tests and reported everything as normal (indicating no Hepatitis B)...
Dr. Cai Jinji Reply:
Hello: There are many possibilities, and we need to see the report to know for sure. It is recommended to consult a physician in the outpatient clinic for evaluation.[Read More] Discrepancies in Hepatitis B Test Results: What You Need to Know
Understanding Hepatitis B Antigen and Antibody Coexistence in Carriers
Hepatitis B antigen issues? In the case of a hepatitis B surface antigen (HBsAg) positive carrier, it is possible to have positive antibodies as well. If both HBsAg and antibodies to hepatitis B surface antigen (anti-HBs) are present simultaneously, it typically indicates a phase...
Dr. Chen Shidian Reply:
Hello amy_wang44, a positive antigen test indicates the presence of the pathogen (the infected individual), and there will be no antibodies unless the person develops natural immunity that leads to the disappearance of the antigen and the production of antibodies, which means rec...[Read More] Understanding Hepatitis B Antigen and Antibody Coexistence in Carriers
Understanding Hepatitis B Test Results: Confusion Over Standard Values and Next Steps
What should I do? Hello Dr. Lee, I would like to ask you again. Are the standard values different for various instruments used to test for hepatitis B? My hepatitis B surface antigen value is 0.09, which is positive, and my surface antibody is 5.34, which is negative. According t...
Dr. Li Yongming Reply:
Please have your blood tested for hepatitis B surface antigen again in six months, or you may opt for a self-paid test to check for the presence of hepatitis B DNA virus in your blood (approximately NT$2000 per test) to clarify that there is no virus in your bloodstream. Theoreti...[Read More] Understanding Hepatitis B Test Results: Confusion Over Standard Values and Next Steps
Understanding Hepatitis B: Interpreting Your Test Results and Next Steps
I'm sorry, but I need more context to provide an appropriate response. Could you please provide more details about your situation? I tested positive for hepatitis B surface antigen with a value of 0.09. The hepatitis B surface antibody was 5.34, which is considered negative....
Dr. Li Yongming Reply:
Hello: Regarding your test results, there may be a laboratory error (which is why the surface antigen is less than 1.0, indicating a negative reference value). Based on experience, it seems you may have insufficient antibody response after receiving the hepatitis B vaccine (with ...[Read More] Understanding Hepatitis B: Interpreting Your Test Results and Next Steps
Understanding the Protective Power of Hepatitis B Antibodies
The protective efficacy of hepatitis B antibodies? Hello, doctor. Is it true that individuals with positive hepatitis B antibodies (and negative antigens) can effectively maintain immunity regardless of the amount of hepatitis B virus they are exposed to? Hepatitis B antibodies c...
Dr. Chen Qifeng Reply:
Hello: 1. For individuals who have recovered from natural infection, their antibody efficacy generally lasts a lifetime. In contrast, after vaccination, antibodies may wane within 5 to 10 years. If memory cells are still present at that time, exposure to the virus will trigger im...[Read More] Understanding the Protective Power of Hepatitis B Antibodies
Safety of Hepatitis B Vaccine: Understanding Recombinant Technology and Risks
The safety of the hepatitis B vaccine? Hello, doctor: May I ask if the current genetically engineered hepatitis B vaccine (brand GSK) is simply a recombinant form of the hepatitis B surface antigen and does not contain the virus? Would receiving multiple doses have any adverse ef...
Dr. Chen Shidian Reply:
Hello Ms. Liu, there is no danger, but it is not necessary to visit Changhua Hospital frequently in the short term. Dr. Chen Shidian is concerned about your health.[Read More] Safety of Hepatitis B Vaccine: Understanding Recombinant Technology and Risks
Understanding Hepatitis B Vaccine Efficacy and Antibody Decline
Hepatitis B vaccine issues? Hello Doctor: When my daughter entered junior high school, her hepatitis B antibody test was negative, and the antigen was also negative. After receiving three doses of the vaccine, her antibody level was >1000 (+), indicating a strong antibody conc...
Dr. Chen Qifeng Reply:
Hello: Generally, after 5 to 10 days, antibody levels may decrease or disappear. A booster dose of the vaccine can enhance antibody levels, indicating that memory cells are still present. If three years have passed, antibody levels may significantly decline, which could be due to...[Read More] Understanding Hepatitis B Vaccine Efficacy and Antibody Decline
Understanding Baraclude for Chronic Hepatitis B Treatment: Key Concerns and Insights
The treatment for hepatitis B is Baraclude? Dear Doctor, I hope this message finds you well. I previously asked you several questions regarding the treatment of hepatitis B, and I now have a few more concerns that I would like to outline below: 1. I have been taking Baraclude (...
Dr. Li Yongming Reply:
You have raised many excellent questions, many of which are still intriguing topics in medical research. The mechanism of action of the drug "Baraclude" (entecavir) is to inhibit the further replication of the hepatitis B virus, thereby achieving therapeutic effects. Th...[Read More] Understanding Baraclude for Chronic Hepatitis B Treatment: Key Concerns and Insights
Understanding Hepatitis B Antigen Results: What Parents Need to Know
What are the issues related to Hepatitis B surface antigen? Dear Doctor, I have been feeling panic and anxiety for the past six months regarding this issue. I have searched for a lot of information online, but the more I search, the more anxious I become, and I feel very depress...
Dr. Chen Shidian Reply:
Hello, Ms. Lin. Basically, the results of the hepatitis B antigen test are not solely about the concentration values, so there is no need to focus too much on the numbers. As long as the result is <1.0 and there are positive antibodies, it indicates lifelong immunity. I won&#x...[Read More] Understanding Hepatitis B Antigen Results: What Parents Need to Know