still tired after my b12 injection Why do I feel worse a injection? How Soon Do You Feel
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If youre already taking supplements, its important to let your provider know so that they can advise you of any potential interactions and safety concerns

Two days after my arm became hot and tender at the injection site and remained that way for about 2 weeks

What matters far more than the exact route is whether you needed the injection in the first place, and whether the dose and schedule are right

WHAT IS A VITAMIN B12 INJECTION
