can anyone give b12 injections Vitamin Injections: What They and Can't Do Vitamin B12 shots: Uses, benefits,

An allergy blood test checks for IgE antibodies in your blood

Factors That Affect How Long B12 Injections Last Several factors may influence how long the effects of a B12 injection last in your system, potentially explaining why some patients require more frequent injections than others, even with the same underlying condition

Do not self-prescribe high-dose B12 based on non-specific symptoms like fatigue without medical assessment

There are a number of over-the-counter options that could help ease side effects, however you should speak to a doctor about your side effects if they are not going away and are interfering with your daily life

They can assess your individual needs and create a personalized plan