high dose vitamin b12 injections shots: Uses, benefits, and side effects B12 Injection Dosage and Frequency:

Sterility Check Ensures the medication is free from bacteria, fungi, and other contaminants

Less common B12 shot side effects include : Chest tightness Skin rash or hives Dizziness Difficulty breathing A blue tint to the skin Call your doc ASAP if you notice any of these negative effects

While these are population-level numbers, the principle applies to individuals as well: routine injection visits for non-deficient patients add up in copays, travel time, and appointment scheduling without delivering additional benefit

Hence, it is important to consult a medical practitioner before opting for one

doi:10.1016/j.tem.2017.02.004 PubMed: 28291578 For Research Use Only