what do b12 injections do for you Vitamin Injection Dosage What Does a B12 Injection

Side effects include flushing, chest tightness or pressure, headache, weakness, and flu like symptoms that can last a few minutes

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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

All injections were performed under general anesthesia using ultrasound guidance by a trained physiatrist under sterile conditions