how long to take b12 injections Does It for Work? Are Vitamin B12 Shots Right

Cobalamin deficiency

However, you should: Call 999 or go to A&E immediately if you experience signs of a severe allergic reaction (difficulty breathing, severe throat/facial swelling, or collapse) Contact your GP if you experience a rash, itching, persistent pain at the injection site, or worsening neurological symptoms despite treatment If you suspect any side effects from your B12 injections, you can report them through the MHRA Yellow Card scheme (yellowcard.mhra.gov.uk)

B12 deficiency is more common than you might think

Diagnosis is via serum B12 blood testing

Allergic Reactions In rare cases, individuals may have an allergic reaction to vitamin B12 injections