intramuscular b12 injection What happens if you inject wrong? Hydroxocobalamin Injection: Vitamin B12 for

Cotton ball or gauze 5

Sterile water contains no preservative, so once opened, bacteria can grow

If supplementation is responsible, your doctor may recommend reducing or stopping non-essential B12 intake, with repeat testing after an appropriate interval (typically 2-3 months, or longer if you've had recent injections or have kidney disease)

NICE Clinical Knowledge Summaries and British Society for Haematology guidelines support B12 supplementation in these clinical contexts, with treatment regimens tailored to the underlying cause

When to avoid injecting in the thigh The thigh is excellent for most people most of the time

These injections are most effective when paired with a healthy lifestyle, including a balanced diet and regular exercise, helping your body burn fat more effectively