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Doctor insights on: What Is A Positive Titer On A Hepatitis Test

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What does the titer result for hepatitis b surface ab test mean?

What does the titer result for hepatitis b surface ab test mean?

Marker of immunity: Surface ab is either a response to hep b infection or to injection of hep b vaccine. The titer indicates how much antibody is present in the blood. This level varies with time during the course of infection or following an injection. ...Read more

Dr. Jay Park
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Can your titers for hepatitis b change from negative to positive right after the shot?

Can your titers for hepatitis b change from negative to positive right after the shot?

Yes: If you were previously vaccinated but lost the hepatitis b surface antibody response over time, the immune system still has a "memory" of it. When you are re-exposed to the vaccine, even many years later, you can have a very quick response. Some people had prior infection but it wasn't recognized because they were not tested for hepatitis b core antibody. They can also have a rapid response. ...Read more

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If Hepatitis B titer is <3.1 after 1st series is it likely you will convert after a second series?

If Hepatitis B titer is <3.1 after 1st series is it likely you will convert after a second series?

Hep B vaccination: Hello and welcome to HealthTap, what was the time interval between the shots of the initial series? when did you got the series and how much was the time b/w the series and obtaining the titers. Thank you ...Read more

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The length of time between my hepatitis b series was greater than when each were supposed to be taken (now need titer).Were all shots still effective?

The length of time between my hepatitis b series was greater than when each were supposed to be taken (now need titer).Were all shots still effective?

Probably effective: If one is doing a blood titer test, the result will decide if she is immune or not immune. The shot schedule in the past won't matter anymore. Everybody with close or frequent contact with a hep b carrier (especially healthcare workers) should have their titers tested. Some people who get the shots at exactly the recommended time can still have very low titers, and need additional booster shots. ...Read more

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I have to get a hepatitis b titer because the time frame of my hep b series. What does the titer procedure consist of? Also, should my results be okay

I have to get a hepatitis b titer because the time frame of my hep b series. What does the titer procedure consist of? Also, should my results be okay

Lots of people...: Lots of people get their hep b titers done. It is a simple blood test (just like getting a cholesterol test). The advantage of getting the titer done is that the titer will indicate whether or not booster vaccinations are needed now. If the titer is too low, booster shots are usually needed, regardless of the timing of the shots in the past. ...Read more

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I checked my hepatitis b titer , it is 800 so do I need to take still hepatitis vaccine?

I checked my hepatitis b titer , it is 800 so do I need to take still hepatitis vaccine?

More info needed: If you have not had any HBV vaccine and your anti-hbs antibody is positive, you've had the infection (and the anti-hbc antibody is positive too). No vaccine needed. If you are in the midst of a 3 dose HBV vaccine series and your anti-hbs is now positive, finish the series. It will provide better protection. ...Read more

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Hepatitis b vaccination given but titer does not show immunity. What's this mean?

Need revaccination: The most common reason is improper interval vaccination. But some may not develop immunity and so repeat course is recommended. ...Read more