can b12 injections make nerve pain worse 7 Key Facts how much vitamin for Relief Vitamin B12 Deficiency & Nerve

S., Molloy, A

Common, mild side effects: Pain, redness, or itching at the injection site Mild nausea or diarrhea Headache Temporary dizziness Rare but more serious reactions: Allergic reactions (rash, swelling, breathing difficulty) Heart palpitations Low potassium levels during rapid correction of severe deficiency Very rare cases of anaphylaxis requiring emergency care Seek medical attention immediately if you experience symptoms of a serious allergic reaction

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Vitamin B12 and the Immune System Your immune system strives to keep you healthy but needs the proper nutrition to do it well