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Have positive elisa and western blot. Pain in feet, neck and jaws. What does positive IGM mean?

I have a positive Elisa and Western blot positive IGM, negative Igg . Treated 3 weeks doxycycline back in November, Pains in feet , neck , face,jaw continuing January retested same results . 3 months doxycycline. Restested once again same results Positive igm 23, 39 bands . What does this mean? more antibiotics. ???
Asked On : Sun, 24 Jun 2012
Answers:  1 Views:  56
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Pathologist and Microbiologist 's  Response
Hello and welcome to HCM,

Presence of positive ELISA and Western blot test for Ig M indicates an active infection. In any infection, Ig M are the first immunoglobulins which become positive followed by Ig G. Positive Ig G indicates a past infection.
However, you have not mentioned the causative organism for which the test is done.
I can only guess that the test was performed for some bacterial infection for which doxycyclin was given.

Thanks and take care.
Dr Shailja P Wahal
Answered: Wed, 24 Apr 2013
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