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Post-injection skin inflammation and infections may occur due to unsanitary administration or a reaction to the medicine
Seek medical help if you notice any unusual symptoms after an injection
Route: Injections are given intramuscularly (IM) , though subcutaneous (SC) is also possible in some cases
Mechanism of Action When vitamin B12 is injected, it enters the bloodstream directly, allowing it to be transported to various tissues and organs where it is needed
Signs That Your B12 Injection Is Working As your B12 levels improve, look out for these positive changes: More energy You feel less exhausted and more alert during the day
Department of Animal & Avian Sciences, University of Maryland
