lump at injection site after b12 shot Hard Under Site: Treatment, Causes, and More What causes a raised bump

Vitamin B12 is available as a dietary supplement and is also added to some foods

Z Geburtshilfe Neonatol 2007

I see improvements already

BAC water added 1.0 mL Concentration 5 mg/mL (5,000 mcg/mL) 300 mcg dose 0.06 mL / 6 units 500 mcg dose 0.10 mL / 10 units BAC water added 2.0 mL Concentration 2.5 mg/mL (2,500 mcg/mL) 300 mcg dose 0.12 mL / 12 units 500 mcg dose 0.20 mL / 20 units BAC water added 3.0 mL (recommended for accuracy) Concentration ~1.667 mg/mL (1,667 mcg/mL) 300 mcg dose 0.18 mL / 18 units 500 mcg dose 0.30 mL / 30 units 3.0 mL is the most common research-context dilution because it pushes daily draws above 10 syringe units, which makes measurement on a 0.3 mL U-100 syringe easier

NDC: 70069-0005-10