will an insulin needle work for im b12 injections Dr. prescribed injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency For subcutaneous injections, using shorter
For subcutaneous injections, using shorter needles (4 5mm) is the safest choice to ensure medication stays in the fatty layer and avoids muscle injury. A 4mm needle is ideal, minimizing pain while keeping Medium B 12 (Methylcobalamin) Therapy MedClub by Dr Jenn What Size Needle for B12 Injection?
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