Hepatitis B antibodies, Gastroenterology and Hepatology FAQ - Page 3

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Understanding Hepatitis B and Cholesterol Levels in College Health Checks

Please provide the health check data? Dear Director Chen, Regarding my daughter's university entrance health examination, the following data is noted: - Hepatitis B surface antigen (HBsAg) → Negative - Hepatitis B surface antibody (Anti-HBs) → Positive - Hepatitis B core ...


Dr. Chen Shidian Reply:
Hello, Mrs. Lin: As you mentioned, the hepatitis B antibodies should be a result of effective vaccination. The lower cholesterol content should not pose any health risks. Changhua Hospital cares about your health. Chen Shidian

[Read More] Understanding Hepatitis B and Cholesterol Levels in College Health Checks


Understanding Hepatitis B Antibodies: Lifelong Protection or Regular Testing?

Hepatitis B antibodies Dear Dr. Chen, My child received the hepatitis B vaccine at birth and successfully developed antibodies. However, when entering high school, the antibody levels decreased, and we administered two booster doses, resulting in an antibody concentration greate...


Dr. Chen Shidian Reply:
Dear Ms. Liu, The effectiveness of the vaccine lasts approximately 10 years. There is currently no consensus on whether a booster shot is necessary, but it is generally believed that immune memory persists, thus a booster may not be required. Changhua Hospital cares about your ...

[Read More] Understanding Hepatitis B Antibodies: Lifelong Protection or Regular Testing?


Understanding Hepatitis B Antibodies: Risks for Newborns

Clarification on Hepatitis B Antibodies If a father has a history of hepatitis B infection and is a carrier, but the mother has antibodies against the virus, will the child be born with hepatitis B? I have heard that the hepatitis B virus is transmitted through blood or semen, so...


Dr. Cai Anshun Reply:
Hello, "Vertical transmission refers to the infection of the fetus during passage through the birth canal, where the mother transmits the infection. The father does not directly transmit the infection to the child. Changhua Hospital cares about your health. Dr. Tsai An-shun....

[Read More] Understanding Hepatitis B Antibodies: Risks for Newborns


Understanding Elevated SGOT Levels: Concerns and Solutions for Liver Health

Elevated phenylalanine transaminase levels? Hello Dr. Chen, I am a middle school student. Recently, I have been going to bed around 11 PM. A few days ago, my school conducted a health check, and I was found to have elevated levels of "aspartate aminotransferase" (SGOT) ...


Dr. Chen Qifeng Reply:
Hello: There are many reasons for abnormal liver function, and further examination by a hepatobiliary and gastroenterology specialist is necessary. A higher concentration of hepatitis B antibodies is better, indicating sufficient immunity and is unrelated to abnormal liver functi...

[Read More] Understanding Elevated SGOT Levels: Concerns and Solutions for Liver Health


Understanding Elevated SGPT Levels and Hepatitis B Antibody Testing

Liver dysfunction Hello, Doctor: 1. Regarding my serum glutamate-pyruvate transaminase (SGPT) level, which is 57 (reference range 0-55), if it is only slightly above the normal range by 2, is it likely that this is just a minor elevation in liver enzymes? 2. I have already vi...


Dr. Cai Anshun Reply:
Hello: The antibodies produced by the hepatitis B vaccine are not permanently effective. Research indicates that some individuals who received the hepatitis B vaccine at birth may not have detectable hepatitis B antibodies by adolescence and may even lose immune memory. If antibo...

[Read More] Understanding Elevated SGPT Levels and Hepatitis B Antibody Testing


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


Understanding Liver Ultrasound Results: What You Need to Know

Questions about liver ultrasound examination? Hello, ultrasound physician: Last week, I underwent a routine ultrasound follow-up for gallbladder polyps. The polyps have been monitored for 7 years and have consistently measured between 0.4 cm and 0.6 cm (the doctor said this is wi...


Dr. Chen Shidian Reply:
Hello, Ms. Liu. The interpretation of ultrasound is quite subjective. Most physicians tend to be conservative and may describe some findings as coarse echogenicity (fibrosis). This can sometimes cause anxiety for patients. Generally, as long as liver function remains normal over ...

[Read More] Understanding Liver Ultrasound Results: What You Need to Know


Understanding Hepatitis B Surface Antigen Levels and Immunity in Children

Quantitative measurement of Hepatitis B surface antigen (HBsAg) levels? Dear Dr. Chen, Hello. My daughter recently underwent a school health check, and the results are as follows: - Hepatitis B surface antigen (quantitative): 0.9 (normal value is less than 1) - Hepatitis B sur...


Dr. Chen Shidian Reply:
Hello Ms. Sally: Hepatitis B antibodies provide permanent protective immunity, meaning they can offer long-term protection against Hepatitis B infection. There is no consensus on the need for booster vaccinations, as most individuals already have immune memory and retain protecti...

[Read More] Understanding Hepatitis B Surface Antigen Levels and Immunity in Children


Is Hepatitis B Vaccination Effective After Negative Antigen Tests?

Hepatitis B antigen and antibody I would like to inquire: If both the hepatitis B surface antigen and antibody are negative, but there was a previous diagnosis of hepatitis B carrier status, is it still effective to receive the vaccine? Will it still produce antibodies for 15 yea...


Dr. Yang Zhichao Reply:
Hello JP6: Based on your description, if the hepatitis B antigen was previously positive and subsequent tests show a negative result, it is possible that you have fully recovered. If your hepatitis B antibodies are negative, it is recommended that you receive the hepatitis B vacc...

[Read More] Is Hepatitis B Vaccination Effective After Negative Antigen Tests?


Can Hepatitis B Carriers Naturally Recover? Insights for Expecting Mothers

Can a hepatitis B carrier heal on their own? I am a 37-year-old pregnant woman who previously did not have a regular check-up routine. During my university entrance examination at the age of 18, I was clearly tested positive for being a carrier of hepatitis B. However, in the rec...


Dr. Lin Minghui Reply:
Hello, 1. It is possible to check for HBsAb, the hepatitis B antibody. A small number of hepatitis B infected individuals and carriers may produce hepatitis B antibodies indicating improvement, while some may have undetectable levels of HBsAg due to very low quantities. 2. Cu...

[Read More] Can Hepatitis B Carriers Naturally Recover? Insights for Expecting Mothers


How Long Does Hepatitis B Vaccine Immunity Last?

After receiving the hepatitis B vaccine? How long can the hepatitis B antibodies last after vaccination? Thank you.


Dr. You Ligang Reply:
Hello, after receiving all three doses of the hepatitis B vaccine, over 95% of individuals will develop antibodies. These antibodies may diminish after ten years or more. There are two scenarios regarding the disappearance of antibodies: one possibility is that the immune memory ...

[Read More] How Long Does Hepatitis B Vaccine Immunity Last?


Understanding Hepatitis B: Testing and Precautions for Your Family

Hepatitis B antibody testing in children? Hello Dr. Chen: I was diagnosed with hepatitis B 17 years ago during a blood donation. Does having hepatitis B mean that I am a carrier? Can it be transmitted to those who share meals with me, or to my spouse or children? Over the past fe...


Dr. Chen Shidian Reply:
Hello, Miss: 1. Having hepatitis B means you are a carrier. 2. If you are a carrier, you need to be monitored every six months. 3. Hepatitis B is transmitted through blood and bodily fluids, not through food or drink. 4. Children can be tested first, and they can also undergo sch...

[Read More] Understanding Hepatitis B: Testing and Precautions for Your Family


Can I Get Vaccinated for Hepatitis B Antibodies After Cure?

Can antibodies be administered after curing hepatitis B? Hello Doctor: I am a carrier of Hepatitis B with a 33-year history. I have currently cleared the e-antigen, but my antibodies are still negative. Can I receive the antibody vaccine? My second question is: I want to become a...


Dr. Zhang Siyuan Reply:
In response to your questions: (1) Antiviral medications for hepatitis B carriers can effectively suppress the replication and activity of the hepatitis B virus in liver cells, reduce the level of liver inflammation, and prevent the deterioration of the condition in hepatitis B p...

[Read More] Can I Get Vaccinated for Hepatitis B Antibodies After Cure?


Understanding Hepatitis B Vaccination: Key Questions and Answers for Parents

Hepatitis B vaccine issues Dear Doctor: My daughter, who is a first-year junior high school student, underwent a health check-up and tested negative for both hepatitis B antibodies and antigens. It is recommended that she receive the hepatitis B vaccine, but there is conflicting ...


Dr. Chen Shidian Reply:
Dear Mrs. Lin: Antibody titers may decrease over time, leading to a negative result; however, immune memory generally remains. If you receive a booster shot, we can check for a rapid increase in titers 2-4 weeks later. Changhua Hospital cares about you. Sincerely, Chen Shi...

[Read More] Understanding Hepatitis B Vaccination: Key Questions and Answers for Parents


Understanding Hepatitis B Transmission and Vaccination: Key Questions Answered

Hepatitis B issues Hello Dr. Lin: (1) What is the probability of transmitting Hepatitis B through saliva and semen? (2) If a person has developed antibodies against Hepatitis B, can they be assured that they will not be infected regardless of contact with a Hepatitis B carrier? (...


Dr. Lin Minghui Reply:
Hello, Xiao Dou: 1. In patients with hepatitis B, the virus HBV-DNA can be detected in saliva, semen, and vaginal secretions, indicating sexual transmission. According to foreign literature, the transmission rate among heterosexuals is approximately 39%, particularly among those...

[Read More] Understanding Hepatitis B Transmission and Vaccination: Key Questions Answered


Understanding Hepatitis B Vaccine Results: What Does Negative Mean?

Please ask your question? Hello Doctor: 1. When I was in fifth grade, my blood test indicated "please receive the hepatitis B vaccine," but today's test report states "negative." Is that normal? Do I have antibodies?


Dr. Chen Shidian Reply:
Hello Mr. Lai: If the result is negative for hepatitis B antibodies, it indicates that there are no antibodies present. You may visit the gastroenterology and hepatology outpatient clinic to confirm whether you need to receive another dose of the hepatitis B vaccine (which will c...

[Read More] Understanding Hepatitis B Vaccine Results: What Does Negative Mean?


Where to Get Tested for Hepatitis B Antibodies in Taiwan?

Where can I get tested for antibodies? I apologize! Following up on the previous question, where can I get tested for hepatitis B antibodies? What are the related testing costs, and is the vaccination covered by health insurance? Are there any precautions to take before the test?...


Dr. Chen Shidian Reply:
Hello, Miss: Both general laboratories and hospitals can perform the tests (there may be slight differences in accuracy). The tests for vaccines are all self-paid (approximately around 500 NTD). Fasting is not required for the tests. Changhua Hospital cares about your health. Che...

[Read More] Where to Get Tested for Hepatitis B Antibodies in Taiwan?


Understanding Weak Positive Hepatitis B Antibody Results: What You Need to Know

Hepatitis B antibodies Hello, Vice President Tsai. Two years ago, I had a health check-up at Taipei Hospital, where the result for Hepatitis B antibodies was positive. However, I recently went to another health check-up center, and the result was weakly positive (51 IU/L). Is thi...


Dr. Cai Yaozhou Reply:
This is a normal phenomenon observed during health check-ups at Taipei Hospital. The positive reaction for hepatitis B antibodies is a qualitative test result, while other health check centers conduct quantitative tests. A weak positive result is acceptable. Hepatitis B Overvie...

[Read More] Understanding Weak Positive Hepatitis B Antibody Results: What You Need to Know


Understanding Your Liver Function Test Results: What They Mean for You

Liver function index issues? Hello Doctor: Today I received the test report from the Foundation for Liver Cancer Prevention and Treatment, and the results are as follows: Hepatitis B surface antigen: + Hepatitis B surface antibody: + Hepatitis C antibody: - AST (GOT): 36 ALT (GPT...


Dr. Lin Minghui Reply:
Hello: 1. A positive surface antigen (HBsAg positive) indicates the presence of the hepatitis B virus in the body, meaning you are a carrier of hepatitis B. If you recover, you will develop hepatitis B antibodies, resulting in a positive HBsAb and a negative HBsAg. It is recomm...

[Read More] Understanding Your Liver Function Test Results: What They Mean for You


Can Hepatitis B Antibodies Indicate Infectiousness? Key Insights

Is there still a risk of transmission after the production of antibodies against hepatitis B? Thank you, Dr. Hsu, for your professional response. However, I still have some doubts. About a year and a half ago, I had my liver function tested, and at that time, my liver function wa...


Dr. Xu Jinchuan Reply:
Hello! If the information is correct, your previous letter mentioned that both your hepatitis B surface antigen and surface antibody are positive. This means that you cannot be ruled out as a hepatitis B carrier, indicating that you may still be a hepatitis B carrier. Normal live...

[Read More] Can Hepatitis B Antibodies Indicate Infectiousness? Key Insights


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