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A member asked:

How long do hepatitis a igm antibodies last after exposure/infection?

A doctor has provided 1 answer
Dr. Dan Fisher answered

4-6 months: detectable for 4-6 months then replaced with IgG which is probably detectable for life.

Answered 9/12/2016

3.3k views

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Related Questions

A member asked:

Does a Hepatitis A Total Antibody test look for IgM antibodies or IgG antibodies? Or does it look for both? Does it differentiate between the two on the results?

4 doctors weighed in across 2 answers

A member asked:

Since igm if the first antibody to appear after infection and may persist for weeks & If I know Ive possibly recently been exposed to herpes in the past 3 weeks would my igm negative test be conclusive?

A doctor has provided 1 answer

A member asked:

If tested for HSV 1 and 2, would IgM antibodies be detected if infection was from months ago?

A doctor has provided 1 answer

A member asked:

My hepatitis a IgM antibody value has gone down, so that means the virus is going away?

A doctor has provided 1 answer

A member asked:

What does these results mean Hepatitis B, Core Antibody NEGATIVE Reference Range: Negative Hepatitis B, Surface Antibody REACTIVE Hepatitis A, Antibody POSITIVE Reference Range: Negative Hepatitis A, IgM Antibody NEGATIVE Reference Range: Negative?

A doctor has provided 1 answer

People also searched for:

Can getting the Hepatitis A vaccine or immunoglobulin two weeks after exposure still prevent infection even if you're already testing positive for igm?
I recently tested positive for the toxoplasmosis IGG antibody. How long after testing positive does someone have to wait and get tested for the IGM antibody in order to tell whether the exposure to toxoplasmosis is either a recent or past infection?
Antibody blood test for HSV 1&2: would 10 weeks after exposure be considered an "old" infection that the test would now show as IgG and not igm?
If someone had an acute HIV infection, would Re-exposure to the same viral strain slow their seroconversion/production of IGM/IGG antibodies? Or delay detectable P24 in the blood? Could CMV/HIV co-infection also cause delay in antibody production?
What does it mean if your Hepatitis A Antibody IGM test was nonreactive and your Hepatitis A Total Antibody WAS reactive? Are you infected or not? Is the Hep A infection from the past or recent?

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