Wash your hands thoroughly
Gather the prescribed vitamin B12 vial, syringe, needle, alcohol swabs, gauze, and sharps container
Check the medication label, dose, and expiration date
Follow the exact dose and route prescribed by a licensed healthcare professional
Clean the vial stopper with an alcohol swab
Draw air into the syringe equal to the prescribed dose
Insert the needle into the vial and inject the air
Turn the vial upside down and draw up the prescribed dose
Remove air bubbles from the syringe
Choose the injection site as instructed by a healthcare professional
Clean the injection site with an alcohol swab and let it dry
Insert the needle using the technique and angle taught by a healthcare professional
Inject the medication slowly
Remove the needle and apply gentle pressure with gauze
Dispose of the needle and syringe immediately in a sharps container
Wash your hands again
Seek medical help if you have severe pain, swelling, rash, trouble breathing, or other concerning symptoms