Hydroxocobalamin, the form most used in the UK, is released gradually, and a maintenance dose is often given every eight to twelve weeks
The ability to drive safely becomes clearly impaired
5-Amino-1MQ Vials (10 mg each): 1 week (5 mg/day = 35 mg total) 4 vials 2 weeks (5 mg/day = 70 mg total) 7 vials 4 weeks (5 mg/day = 140 mg total) 14 vials Insulin Syringes (U-100, 1 mL): 1 week (once daily): 7 syringes 2 weeks (once daily): 14 syringes 4 weeks (once daily): 28 syringes Bacteriostatic Water (10 mL bottles): Use 2.0 mL per vial for reconstitution
Typically, doctors prescribe a loading dose, which involves multiple injections administered close together, followed by maintenance doses to sustain adequate B12 levels over time
The tight budget argument, when used, is often a blanket statement referring to the overall pressure on NHS resources, not the specific cost of a single appointment