Specific groups of people need to take vitamin B12 shots, such as Vegetarians and Vegans, older adults, individuals with gastrointestinal conditions, people with pernicious anaemia, pregnant and breastfeeding women, and individuals with symptoms of deficiency
The operative report for the injection should contain this information and must be readily available if requested
Side Effects Side Effects B12 injections common B12 injections common Injection site pain, redness, or mild swelling Mild nausea immediately after injection Headache in some patients B12 injections rare but important B12 injections rare but important including anaphylaxis in rare cases, particularly with hydroxocobalamin
It is a water-based solution that contains benzyl alcohol as a bacteriostatic preservative (often described as 0.9% / 9 mg/mL where stated on label or documentation) and is typically supplied in a multi-dose vial format designed for repeated withdrawals using controlled sterile technique
Weight loss injections vary
