Hi, I had a dire reaction, but knew I would as I have a mast cell disorder. I do know many people with autoimmune diseases who did not react. I think it is a conversation to have with your consultant, as I have quite a mix of diseases which I am sure is why I react including to all antibiotics. MaryF
Thanks to an suggestion on this site, I tracked down my bizarre reactions to this or that vaccine, AND this or that topicals to an allergy to polyethalene glycol, aka, PEG. PEG is in Moderna and Phizer but not the J&J. mUnfortunately J&J is not approved in the US for recent boosters. My theory: ( theory only -no data) ... so maybe I should emend that to ... I wonder... if many reactions to covid shots were due to PEG allergies?
I seem to feel ill for weeks after a vaccine especially the flu. I just couldn't chance having it this year as last year I felt so ill after. It might have been a coincidence but I not so sure
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