b12 injection rash site redness : r/Semaglutide What causes pruritus after Vitamin
Description
If you have certain rare conditions like Leber's disease (a hereditary eye disease), cyanocobalamin injections could potentially worsen vision problems
Such persistence could cause total paralysis of the face and result in irreversible damage in the long term

I forgot to add that after 1st Pfizer dose, I had generalized itching for 18 days

PMC 5390862

Life can be pretty miserable

As per your doctors advice, avoid strenuous activities and give your body time to recover and rejuvenate
