how to self inject b12 shot Injections at Home - Safety Guide for Self-Administration Ivy Grove Surgery : Self-administration

If you experience side effects from B12 injections, ask about switching to oral doses instead

Precautions and Contraindications: Know when and how to proceed safely with your clients

With so many vitamin B12 options available as supplements, ask a Walgreens pharmacist for help choosing the best option for you

This isn't just a suggestion

What you can expect depends on how early the vitamin B12 deficiency is caught and how low your levels are

Hydroxocobalamin may also be given intravenously in certain scenarios (for example, 5 g IV for acute cyanide poisoning antidote therapy), but such high-dose use is in emergency settings and distinct from routine deficiency treatment