bruising after b12 injection What happens if you inject wrong? Bruise Easily? This Might Be

For most patients, high-dose oral B12 supplements are as effective as intramuscular injections

Hempill-Bryant explains that babies born to B12 deficient mothers will also be deficient in B12, especially if they are then exclusively breastfed. A study in the Journal of Child Neurology found that the most severe cases of B12 deficiency can lead to weakness, failure to thrive, afebrile seizure, developmental delay, nystagmus, tremors, and involuntary movement among young babies

What to expect after treatment: Shortly after receiving a B12 injection, many clients report feeling more energised and mentally alert

Your dose exceeds your syringe capacity