A member asked:

I gave myself a shot of b12. my arm was in pain all day long and so was my shoulder. is that normal or did i do something wrong?

A doctor has provided 1 answer
Dr. Marsha Davis answered

Specializes in Internal Medicine

Sometimes it happens: You might have just come close to a nerve and that is why the pain radiated. It shouldn't last long. You'll be fine!!

Answered 6/26/2014

3.9k views

Thank

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