how often should you take a b12 injection Optimal Vitamin Dosage and Treating Deficiency Vitamin B12 Dosages: Your GoodRx

Unlike normal, sterile water, bacteriostatic water can be used multiple times in a 28-day period

This is because they create roadblocks that prevent your body from using Vitamin B12 from food or pills

After getting a B12 shot, you should watch out for these symptoms and see a doctor if you have: Strong pain where you got the shot Some stomach upset Feeling swollen Skin feeling itchy for a while In really rare cases, there might be more serious risks like: A severe allergic reaction called anaphylaxis Fluid build-up in the lungs Heart problems Blood clots in the bodys blood vessels A type of blood cancer, called polycythemia vera

Doc is no help, doesn't think that the jab is the cause

To be taken preferably after food