A member asked:

Is it possible to have a lyme infection with a negative igg but positive igm?

A doctor has provided 1 answer
Dr. James Ferguson answered

Specializes in Pediatrics

Igm is the immunoglobulin noted for coming out early in response to any illness, it fades over time while igg come out a bit later and stays up longer. If you have a positive IgM it indicates a early response, while igg would probably show up in a few months at which point the IgM would have declined.

Answered Jan 12, 2015



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