Wash hands thoroughly
Check the medication label, dose, expiration date, and patient identity
Gather supplies: medication, syringe, needle, alcohol swabs, gloves, gauze, and sharps container
Select the correct injection site: deltoid, vastus lateralis, or ventrogluteal
Position the patient comfortably and expose the site
Put on gloves
Clean the skin with an alcohol swab and let it dry
Draw up the medication into the syringe
Remove air bubbles from the syringe
Hold the skin taut or use the appropriate technique for the site
Insert the needle at a 90-degree angle into the muscle
Aspirate only if required by local protocol
Inject the medication slowly and steadily
Withdraw the needle smoothly
Apply gentle pressure with gauze if needed
Dispose of the needle and syringe immediately in a sharps container
Remove gloves and wash hands
Monitor the patient for any immediate reaction
Document the medication, dose, site, time, and response