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Dont start or change other injectable treatments right away If youre planning another intramuscular therapy soon, check with the clinician first
The hypersensitivity is thought to be mediated by immunoglobulin E (IgE) or sensitization to the vitamin B12 molecule itself
Dosing Notes Empty stomach or at least 30 minutes before eating for best absorption
Nayana Shetty, MBBS, MD When to See a Doctor Although rare, some people may experience side effects of high vitamin B12 levels such as headaches or skin reactions
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