HealthCareMagic is now Ask A Doctor - 24x7 | https://www.askadoctor24x7.com

question-icon

What Does A Positive Report For Hepatitis B After Vaccination Indicate?

default
Posted on Wed, 12 Jul 2017
Question: I had my blood test for hep a b and c . Hep a and c were negative but b was positive. However i had my vaccination , should the blood test show postive hep b because I had the vaccine?
doctor
Answered by Dr. Ramesh Kumar (35 minutes later)
Brief Answer:
it can be positive 14 days after vaccination.

Detailed Answer:
Hi,
Thanks for choosing HealthcareMagic for your query.
I am a Gastroenterologist and would be answering your query.

As per your question-
Vaccination for HBV can produce transiently detectable levels of HBsAg in patients. However, the time course and duration of this effect is unclear. WHO says that Our study confirms that transient HBsAg positivity can occur in patients following HBV vaccination. The results suggest this positivity is unlikely to persist beyond 14 days post-vaccination.

So in lay mans language test can be positive only till 2 weeks after vaccination.

Hope i answered your query well.
Feel free to follow up.
Thanks
Above answer was peer-reviewed by : Dr. Kampana
doctor
default
Follow up: Dr. Ramesh Kumar (24 minutes later)
So it should not show positive even though i went to XXXXXXX in march and had my injections in feburary
doctor
Answered by Dr. Ramesh Kumar (13 minutes later)
Brief Answer:
Follow up answer.

Detailed Answer:
Hi again
Ideally it should be negative by now.
Sex with an infected partner is one of the most common cause of transmission.Its 6 times more infectious then HIV.While there is no cure for hepatitis B, more than 90 percent of healthy adults who contract the virus will recover naturally from it within the first year. As you had sex with sex worker in XXXXXXX it can be positive due to viral transmission.

Go for IGM antibody test- IgM antibodies are found mainly in the blood and lymph fluid; they are the first antibody to be made by the body to fight a new infection. Hepatitis B core-specific IgM class antibody has been detected in most acute infections and is a reliable marker for acute disease.

So go for this test and follow up with report.
XXXXXXX is a very poor nation and most of the sex workers are never immunised. So there are chances that i could be due to sex with CSW.

Thanks.
Above answer was peer-reviewed by : Dr. Remy Koshy
doctor
default
Follow up: Dr. Ramesh Kumar (4 hours later)
Hi,

in a follow up question :

I have had a blood test for hepititis. I have recieved my results ; Hep A negative Hep b Postive and Hep C negative. I am worried so I had a follow up test however, I have not been vaccinated; so I am abit worried as to why it is positive.

doctor
Answered by Dr. Ramesh Kumar (2 hours later)
Brief Answer:
Follow up answer.

Detailed Answer:
Hello again dear,
As per your history you had sex with CSW in a poor nation.
Hepatitis B virus is highly contagious.
As you were not vaccinated its definitely Hepatitis B.
Now fiorst step should be tou see if its chronic or acute in nature. Treatment would bre decided after that only.


Thanks.
Note: For further follow up on digestive issues share your reports here and Click here.

Above answer was peer-reviewed by : Dr. Raju A.T
doctor
Answered by
Dr.
Dr. Ramesh Kumar

Gastroenterologist

Practicing since :1986

Answered : 2913 Questions

premium_optimized

The User accepted the expert's answer

Share on

Get personalised answers from verified doctor in minutes across 80+ specialties

159 Doctors Online

By proceeding, I accept the Terms and Conditions

HCM Blog Instant Access to Doctors
HCM Blog Questions Answered
HCM Blog Satisfaction
What Does A Positive Report For Hepatitis B After Vaccination Indicate?

Brief Answer: it can be positive 14 days after vaccination. Detailed Answer: Hi, Thanks for choosing HealthcareMagic for your query. I am a Gastroenterologist and would be answering your query. As per your question- Vaccination for HBV can produce transiently detectable levels of HBsAg in patients. However, the time course and duration of this effect is unclear. WHO says that Our study confirms that transient HBsAg positivity can occur in patients following HBV vaccination. The results suggest this positivity is unlikely to persist beyond 14 days post-vaccination. So in lay mans language test can be positive only till 2 weeks after vaccination. Hope i answered your query well. Feel free to follow up. Thanks