how often to take a b12 injection Injections: Who Should Get Them and Long Do They Last? Vitamin B12 shots: Uses, benefits,

This can be problematic for people with certain health conditions or older adults whose digestive efficiency may be compromised

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Proper Injection Site Selection and Technique Choosing the right spot and the right way to give the shot is very important

Stop taking Vitamin B12 Injection and call your doctor at once if you have one of these serious side effects: Congestive heart failure Low potassium levels in body Narrowing or blocking of blood vessels Pulmonary edema (a condition where there is excess fluid in the lungs) Serious allergic reaction Thrombocytosis (a disorder where your body produces too many platelets) Less serious side effects include headache, nausea, anxiety, nervousness, diarrhea, swelling, infection, severe itching of skin, loss of coordination and balance