can b12 injection be given in arm How to Give a Injection: Step-By-Step Instructions Vitamin B12 Injection Sites: All

Combining it with fasting can occasionally cause mild hypoglycemia symptoms in sensitive individuals

Other reported effects include: Headaches and dizziness Nausea and gastrointestinal discomfort Allergic reactions to B12 formulations (rare) If you experience symptoms suggesting a severe allergic reaction (difficulty breathing, severe rash, swelling of face/throat), seek emergency medical attention immediately by calling 999 or attending A&E

And where exactly does the needle go

In StatPearls

Key Takeaways Vitamin B12 injections are key for treating deficiency

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