bad reaction to b12 injection What Happens When You're Allergic Vitamin Common & Rare Side Effects

No injections required

Joint discomfort associated with B12 supplementation is uncommon and not listed amongst the recognised adverse effects in the Summary of Product Characteristics (SmPC) for licensed B12 preparations or in the British National Formulary (BNF)

This may lead to abnormal blood cell production, potentially increasing B12 levels in the blood 3 , 10

Long term use is very safe and typically 1 injection per month works well

For example, if you're in the hospital and your doctor orders medically necessary B12 shots to treat anemia, a gastrointestinal disorder, neuropathy, or some other health issue caused by B12 deficiency, Medicare Part A may provide coverage

What are the signs and symptoms of Vitamin B12 deficiency