why get vitamin b12 injection The Advantages of Injections Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine Vitamin B12 injection - Online

Mild side effects can include redness or swelling at the injection site, lightheadedness, or an upset stomach

Once the vitamin B12 reserves reach their normal levels, the injection of vitamin B12 will be needed as maintenance shot once every one to three months to prevent any of the symptoms of deficiency from returning

Civil Engineering, UCLA Last updated: July 2026 Human-researched and AI-assisted with full editorial review

Apply Pressure : Post-Injection Care : Use a cotton ball or gauze to apply gentle pressure to the injection site for a few seconds

Our medical team can assess your condition and recommend the best course of action, which might include B12 injections