IgM antibodies to Mycoplasma pneumoniae

IgM antibodies are the first type of antibodies produced by the immune system in response to an acute infection. When IgM against Mycoplasma pneumoniae is present, it typically indicates a recent or ongoing infection. These antibodies appear within 1–2 weeks of exposure and usually decline after a few months. Testing for IgM is useful in identifying the early phase of a Mycoplasma pneumoniae infection, especially in symptomatic individuals.

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What does a positive IgM result indicate?

It suggests a recent or ongoing infection with Mycoplasma pneumoniae.

Can IgM be elevated in asymptomatic individuals?

Yes, especially in early infection stages or if symptoms are mild or atypical.

How soon after infection does IgM appear?

Typically within 1 to 2 weeks after exposure.

Can IgM remain elevated after the infection is resolved?

It may persist for weeks or a few months even after symptoms have improved.

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Content
What does a positive IgM result indicate?
Can IgM be elevated in asymptomatic individuals?
How soon after infection does IgM appear?
Can IgM remain elevated after the infection is resolved?
What does a positive IgM result indicate?
Can IgM be elevated in asymptomatic individuals?
How soon after infection does IgM appear?
Can IgM remain elevated after the infection is resolved?
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