Graber MD Updated: October 22nd 2022 Main Source of Information: Empower Overview of Methylcobalamin (B12) Injection General Information Methylcobalamin, or vitamin B12, is a B-vitamin
Follow Medical Advice: Always follow your healthcare providers instructions regarding dosage and administration
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Some GPs may incorrectly believe that only patients with a definite diagnosis of PA, those with a positive intrinsic factor antibody test, require treatment for life so seem to be using this as their treatment exclusion criteria
Risks and Side Effects While generally safe, vitamin B12 injections can have side effects or risks, such as: Mild pain, swelling, or redness at the injection site Dizziness, headache, or nausea Allergic reactions (rare) Hypokalemia (low potassium levels) in individuals with severe deficiency undergoing treatment People with allergies to cobalt or who have Lebers disease should avoid B12 injections unless specifically advised by a doctor