pain after vitamin b12 injection Common & Rare Side Effects of Injections Why Do I Feel Worse
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Thanks for your help

Vitamin B12 is necessary for patients with a low serum level of vitamin B12 because they take particular medications or because they suffer from pernicious anemia, gastrointestinal or autoimmune disorders, or alcoholism

I had my two grandchildren with me so this wasn't an option
Tirzepatide drops and tablet formulations may eventually provide needle-free alternatives, though subcutaneous injection remains the standard with the most clinical data behind it