do b12 injections make you feel sick Vitamin Injection Side Effects and Safety Feeling worse after B12 Injection:

We place such high emphasis on staying fit as a person gets older

Thinning skin, vasculitis, purpuric dermatosis, platelet deficiency, liver disease, vitamin K deficiency, vitamin C deficiency, moving your body during the injection, or dehydration may also cause bruising

Prediatr., 551-556, 1981

Every vial is protected from oxygen and moisture, preserving structural integrity during storage and transit

If you have been diagnosed with a vitamin B12 deficiency due to conditions like pernicious anemia, malabsorption issues, or other medical concerns, our providers may recommend more frequent B12 injections initially