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 generally indicates a recent or ongoing infection. These antibodies appear within 1–2 weeks of exposure and usually decrease after a few months. Testing for IgM is helpful in identifying the early stage of a Mycoplasma pneumoniae infection, especially in symptomatic individuals.

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What does a positive IgM result indicate?

It indicates a recent or current infection with Mycoplasma pneumoniae.

Can IgM be elevated in individuals without symptoms?

Yes, especially during the early stages of infection or when symptoms are mild or unusual.

How soon after infection does IgM appear?

Typically within 1 to 2 weeks after exposure.

Can IgM remain elevated after the infection has been cleared?

It can continue for weeks or several months even after the symptoms have improved.

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Content
What does a positive IgM result indicate?
Can IgM be elevated in individuals without symptoms?
How soon after infection does IgM appear?
Can IgM remain elevated after the infection has been cleared?
What does a positive IgM result indicate?
Can IgM be elevated in individuals without symptoms?
How soon after infection does IgM appear?
Can IgM remain elevated after the infection has been cleared?
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