reactions to b12 injections Feeling worse after Injection: Answering concerns Can Vitamin b12 Injections Cause
Description
[DOI] [PubMed] [Google Scholar] 80.Xu Y, Liu P, Zheng DH, Wu N, Zhu L, Xing C, et al

2022 Jan;15(1):e247660

Drug cost gets reimbursed separately through the J-code on the same claim

The most commonly reported side effects are mild and transient, including injection site reactions (redness, slight swelling, or tenderness), mild headaches during the initial days of use, and occasional dizziness or lightheadedness, particularly when starting the peptide

If left untreated, severe vitamin B12 deficiency can cause irreversible damage to the nervous system
