instructions for b12 injections at Home - Safety Guide Self-Administration Instructions for B12 Injection |

This is a concern for individuals that are vegan or vegetarian as they may be at a higher risk for deficiency of vitamin B12

Hydroxocobalamin 1mg is the standard UK formulation, typically administered every two to three months for maintenance therapy Self-administration requires GP prescription, competency training from practice nurses, and demonstration of proper injection technique Common injection sites include the thigh (vastus lateralis) for both intramuscular and subcutaneous administration with site rotation essential Serious side effects are rare but anaphylaxis requires immediate 999 call

Cyanocobalamin is the most widely used form of vitamin B 12 , and has hematopoietic activity apparently identical to that of the antianemia factor in purified liver extract

Like many medications in this class, the most common side effects are nausea, diarrhea, or stomach upset , especially when starting treatment