IgM and IgG: The message behind this
The signification of both immune system responses to various antigens has not stopped intriguing me.
It started a few years ago when I had a patient presenting with all the symptoms of an acute bilharzia but with negatives tests results – urine and blood. I decided to treat him with
praziquantel and to repeat the blood test for bilharzia 3 months later. The result came back showing high positivity in IgM.
I repeated this treatment very often afterwards and for various pathologies. I frequently observed an increase of IgG and the apparition – not necessarily constant – of the IgM.
My (inconclusive?) conclusion is: