E antigen, Gastroenterology and Hepatology FAQ - Page 8

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Do I Need Another Hepatitis B Vaccine After Testing Negative for Antibodies?

Please ask your question? I received the hepatitis B vaccine when I was young, but during a blood test in fifth grade, it showed that I had no antibodies. I also underwent core testing at the hospital, which confirmed the absence of antibodies. However, the doctor mentioned that ...


Dr. Lin Minghui Reply:
Hello, the hepatitis B vaccine is a recombinant vaccine. Since it is an inactivated vaccine, antibody levels may decline significantly after several years post-vaccination, but this does not necessarily mean that protection is lost, as memory cells in the body can produce antibod...

[Read More] Do I Need Another Hepatitis B Vaccine After Testing Negative for Antibodies?


Understanding Positive Hepatitis B Surface Antigen and Antibody Results

Concerns If the test report shows that the hepatitis B surface antigen (HBsAg) is positive and the hepatitis B surface antibody (anti-HBs) is also positive, it indicates that the individual has either recovered from a past hepatitis B infection and has developed immunity, or they...


Dr. You Ligang Reply:
Hello, this indicates a hepatitis B infection, which may be due to low viral load or a transitional phase of seroconversion for the surface antibody. Wishing you good health. Sincerely, Dr. Liu Li-Kuang, Taoyuan Hospital, Department of Health.

[Read More] Understanding Positive Hepatitis B Surface Antigen and Antibody Results


How Often Should You Get Hepatitis Screening: Annual vs. Biennial?

Hepatitis screening Is hepatitis screening required annually, or is it sufficient to check every two years? The company's medical consultant mentioned that screening every two years is adequate, but my understanding is that it should be done annually. Which one is correct? T...


Dr. Chen Shidian Reply:
Hello Miss Mei Mei: Only carriers of Hepatitis B or C need to be checked every six months. There is no standard interval for testing in individuals without Hepatitis B or C. Changhua Hospital cares about your health. Chen Shidian

[Read More] How Often Should You Get Hepatitis Screening: Annual vs. Biennial?


Understanding Hepatitis B Cure Standards: Key Markers Beyond E Antibody

Criteria for Hepatitis B Cure Hello Dr. Chen, In July 2007, I had a test for Hepatitis B e-antigen (HBeAg) at Kaohsiung County Gousheng Hospital, which showed a value of 1272. At the end of January this year, I had a follow-up test at Kaohsiung Veterans General Hospital, and th...


Dr. Chen Shidian Reply:
In general, surface antigens will remain positive for life and cannot be completely cured. If there are E antibodies and a self-paid test for HBV DNA shows low viral load, the individual is considered to be in a low-risk group; however, monitoring should still be conducted every ...

[Read More] Understanding Hepatitis B Cure Standards: Key Markers Beyond E Antibody


Understanding Your Hepatitis B Test Results: HBsAg and Anti-HBs Explained

Health check-up The recent health check report shows the following results: Hepatitis B surface antigen (HBsAg) is NEGATIVE (<0.54) and Hepatitis B surface antibody (Anti-HBs) is NEGATIVE (<1.8). What does this mean? Thank you for your response!


Dr. Chen Shidian Reply:
Hello, Miss: Young people often have received the hepatitis B vaccine, and after many years, the antibody levels may decrease to undetectable levels. Adults, on the other hand, may not have been vaccinated and have not been infected. Changhua Hospital cares about your health. Che...

[Read More] Understanding Your Hepatitis B Test Results: HBsAg and Anti-HBs Explained


Understanding HBV Resistance: A Case Study in Treatment Challenges

HBV-DNA My son is 24 years old and studying for his master's degree in America. He is HBe positive and has a negative HBe antigen. He has been on lamivudine since January 2008. On December 29, 2008, his lab results showed AST 31, ALT 46, and HBV-DNA approximately 500 million...


Dr. Chen Shidian Reply:
Hello Mr. John: You may first check for HBV drug resistance (out-of-pocket, available only at a few medical centers). If drug resistance is present, you may consider switching medications (though there is a risk of developing resistance again) or, depending on the situation, swit...

[Read More] Understanding HBV Resistance: A Case Study in Treatment Challenges


Understanding Hepatitis B Surface Antigens and Their Implications

Surface antigen Hello. I would like to ask about my positive Hepatitis B surface antigen (25.16) and positive surface antibody (23.26). What could be the reason for this? What results might occur in the future? Can the levels of the detected antibodies indicate the strength of th...


Dr. Chen Shidian Reply:
Hello Mr. A-Bao: The two should theoretically not coexist; they are likely caused by different subtypes of the hepatitis B virus. Please maintain a normal lifestyle and have regular follow-ups. Your health is a concern for Changhua Hospital. Best regards, Chen Shidian.

[Read More] Understanding Hepatitis B Surface Antigens and Their Implications


Understanding Hepatitis B: Key Questions on Viral Load and Treatment Options

Hepatitis B issues Hello Dr. Lin: I am a carrier of hepatitis B and have regular check-ups every year. Earlier this year, I underwent tests, and the results showed that both GOT and GPT levels were normal, AFP was 2.7, e-antigen was negative, e-antibody was positive, and the abdo...


Dr. Lin Minghui Reply:
Hello, 1. The e antigen may turn negative again, but the chances are low. Those who have spontaneously cleared the e antigen are less likely to experience this. However, individuals who have received antiviral medication may have a chance of turning e antigen negative, although...

[Read More] Understanding Hepatitis B: Key Questions on Viral Load and Treatment Options


Essential Tests for Chronic Hepatitis B Carriers: A Guide

What tests should be done for a hepatitis B carrier? Hello: I underwent a health check at the end of 2005, where I tested positive for Hepatitis B surface antigen and negative for Hepatitis B surface antibody. In the following years, my GOT and GPT levels were normal. If I want t...


Dr. Lin Minghui Reply:
Hello, 1. According to your examination in 2005, you are a carrier of Hepatitis B. Your liver function tests are normal; however, chronic Hepatitis B poses a high risk for liver cirrhosis and liver cancer. It is recommended to have regular annual check-ups, including liver func...

[Read More] Essential Tests for Chronic Hepatitis B Carriers: A Guide


Understanding Standard Values for Hepatitis B Antigen Testing

Standard hepatitis B vaccination? What is the standard value for hepatitis B surface antigen (HBsAg)? Do the test results vary between different hospitals? Thank you.


Dr. Chen Qifeng Reply:
Hello, there are many methods for testing hepatitis B markers. In simple terms, there are qualitative and quantitative methods, and their standard values may have gray areas, which can vary depending on the testing method. When the values fall within the gray area, uncertain resu...

[Read More] Understanding Standard Values for Hepatitis B Antigen Testing


Understanding Hepatitis B Vaccination and Antibody Testing Before Pregnancy

Hepatitis B vaccine Can I get my blood drawn to check for antibodies after receiving the second dose of the hepatitis B vaccine, or should I wait until after the third dose? I'm eager to get pregnant. Also, why do the test results for hepatitis B surface antigen differ betwe...


Dr. You Ligang Reply:
Hello, the hepatitis B vaccine requires three doses to increase antibody levels and provide longer-lasting protection. In fact, after the second dose of the hepatitis B vaccine, some individuals may already have detectable antibodies in their blood, although the concentration may...

[Read More] Understanding Hepatitis B Vaccination and Antibody Testing Before Pregnancy


Do I Need a Hepatitis B Vaccine Boost After Testing Positive for Antibodies?

The test report indicates that I have hepatitis B? The test report indicates that I have hepatitis B and also shows that I have antibodies. Later, a nurse told me that the antibodies can disappear, so I need to receive a booster dose of the hepatitis B vaccine. Is what the nurse ...


Dr. Chen Shidian Reply:
Hello, Miss: If you have a positive Hepatitis B surface antigen (indicating chronic Hepatitis B carrier status) and the concentration is high, then the antibodies may be ineffective and could potentially disappear. Changhua Hospital cares about you. Chen Shidian

[Read More] Do I Need a Hepatitis B Vaccine Boost After Testing Positive for Antibodies?


High Liver Enzymes Without Symptoms: Navigating B Hepatitis Management

There is no feeling of fatigue or jaundice, but liver enzyme levels are as high as 400 to 500? Hello Dr. Chen, I was healthy during my childhood, but during a health check in college, I discovered that I am a carrier of hepatitis B. However, for several years afterward, my lifes...


Dr. Chen Shidian Reply:
Hello Ms. Ting: Please follow up on <a href="https://adoctor.tw/article/36392">#36392</a>; regarding the changes in liver function and E antigen. If necessary, Tenofovir (a type of hepatitis B virus suppressor) is more suitable for use in pregnant patients, ...

[Read More] High Liver Enzymes Without Symptoms: Navigating B Hepatitis Management


Understanding Hepatitis B: Confirming Diagnosis with Blood Tests

Hepatitis B issues Hello, Dr. Hsu! I would like to ask if a positive result for the Hepatitis B surface antigen (HBsAg) in a blood test confirms the presence of Hepatitis B. Is there a need for additional tests to confirm this?


Dr. Xu Jinchuan Reply:
Hello, yes, it is not necessary, but we still need to continue monitoring liver function tests, specifically AST, ALT, and alpha-fetoprotein.

[Read More] Understanding Hepatitis B: Confirming Diagnosis with Blood Tests


Understanding Hepatitis B Antibody Levels and Vaccination Recommendations

Hepatitis B testing Hello Dr. Chen: Last October, I had a test regarding hepatitis B, and the results showed that the hepatitis B surface antigen was negative and the hepatitis B surface antibody was 86.6. Since a classmate just received the hepatitis B vaccine, their antibody le...


Dr. Chen Qifeng Reply:
Hello, for individuals who have received the hepatitis B vaccine, a portion of patients may experience a decline in antibodies to undetectable levels (resulting in a negative test). In such cases, a booster shot is recommended, which is an out-of-pocket expense. If antibodies are...

[Read More] Understanding Hepatitis B Antibody Levels and Vaccination Recommendations


Understanding Abnormal Glutamyl Transferase Levels: Causes and Concerns

Abnormalities of transaminases? Hello, I recently had a health check-up at my company and my results showed an abnormal level of gamma-glutamyl transferase (GGT) at 104. The other results were as follows: GTP: 18, SGOT: 23, direct bilirubin (D-BIL): 0.2, total bilirubin (T-BIL): ...


Dr. Lin Minghui Reply:
Hello: Gamma-glutamyl transferase (GGT) can be found in biliary epithelial cells, hepatocytes, and other tissues such as the kidneys, pancreas, and small intestine. GGT, also known as the alcohol index, can be used to assess alcoholic hepatitis. Additionally, if alkaline phosphat...

[Read More] Understanding Abnormal Glutamyl Transferase Levels: Causes and Concerns


Understanding Hepatitis: Who is Safe from Infection?

Liver disease Hepatitis is commonly referred to as "big goat" and "small goat," which are colloquial terms for different types of hepatitis. Generally, individuals who have been vaccinated against hepatitis A and B, as well as those who practice safe hygiene a...


Dr. Xu Jinchuan Reply:
Hello, Zeng Yongjun. In fact, in medicine, there is no such terminology as "big three yang" or "small three yang." Are you referring to hepatitis B? If so, hepatitis B can still be transmitted to others. If you are a hepatitis B carrier and your blood tests po...

[Read More] Understanding Hepatitis: Who is Safe from Infection?


Understanding the Risks of Hepatitis in Families with Liver Disease History

A GPT index exceeding 1000 may indicate a severe liver condition, such as acute hepatitis. It is important to consult a healthcare professional for proper evaluation and diagnosis? Hello Doctor: My family has a history of liver disease that has persisted for four generations. Alm...


Dr. Li Xuanshu Reply:
1. Indeed, if the hepatitis is caused by fatty liver, the use of干安 (干安 is likely a medication name, please provide the English name for accurate translation) would be ineffective. 2. Is your E antigen positive or negative? Do you have E antibodies? If your E antigen is positive,...

[Read More] Understanding the Risks of Hepatitis in Families with Liver Disease History


Understanding the Timing and Efficacy of Hepatitis B Vaccination

The schedule for administering the three doses of the hepatitis B vaccine is as follows: the first dose is given at birth, the second dose is administered one month after the first dose, and the third dose Hello, doctor. During a blood donation, the report showed that I tested po...


Dr. Xu Jinchuan Reply:
Hello, the description in your letter is quite vague. I suggest you ask the physician at the hospital for clarification on what is meant by not having hepatitis B. Specifically, inquire whether it refers to being free of hepatitis B virus carriers or if you have surface antibodie...

[Read More] Understanding the Timing and Efficacy of Hepatitis B Vaccination


Understanding Healthy Carriers of Hepatitis B: What You Need to Know

Hepatitis B I apologize for the oversight. My hepatitis B test results show positive for hepatitis B surface antigen and negative for hepatitis B surface antibody. After confirming the information from the previous issue, it is clear that I am a carrier of hepatitis B. However, m...


Dr. Li Xuanshu Reply:
Hello, if you are a carrier of hepatitis B but your liver inflammation markers are normal and an ultrasound examination is also normal, you can be classified as an inactive carrier of the virus. Currently, the term "healthy carrier" is less encouraged.

[Read More] Understanding Healthy Carriers of Hepatitis B: What You Need to Know


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