Intramuscular Injection (Self-injection)
(IM Injection; Injection, IM; Injection, Intramuscular)
|A needle passes through skin and fat layers into the muscle fibers to deliver medication.|
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Reasons for Procedure
- Bleeding, soreness, or redness at the injection site
- Allergic reaction to the medication
- Infection (rare)
What to Expect
Prior to Procedure
- Make sure you have all of the items that you will need in front of you.
- Make sure that you have the right medication and that it has not expired.
- Wash hands with warm, soapy water before giving the injection.
- Select a site for injection. This should be an area on your body with a large muscle, such as the thigh.
- Cleanse the area with an alcohol wipe.
Description of Procedure
- Remove the needle cap.
- Smooth the skin with one hand.
- Hold the syringe the way you would a pencil. Insert the needle at a 90° angle to the skin. The needle should be completely covered by skin.
Hold the syringe with one hand. With the other, pull back the plunger to check for blood in the syringe.
- If you see blood, do not inject. Withdraw the needle and start again at a new site.
- If you do not see blood, slowly press down on the plunger until it stops.
- Remove the needle from the skin.
- If there is bleeding at the site of injection, apply a bandage.
- Immediately put the syringe and needle into a container that is puncture-proof.
- Find out what services are available in your area for disposing of biological waste.
Will It Hurt?
- Inject medication that is at room temperature.
- Remove all air bubbles from the syringe before the injection.
- Relax the muscles in the injection area.
- Quickly break through the skin.
- Do not change the direction of the needle as it goes in or comes out.
- Do not reuse disposable needles.
Care After Injection
Call Your Doctor
- Difficulty giving yourself the injection
- A lot of pain
- Medication is injected into the wrong area
- Redness, swelling, increasing pain, excessive bleeding, or any discharge from the injection site
- Rash or hives develop
- Difficulty breathing
Family Doctor—American Academy of Family Physicians http://familydoctor.org
National Institute of Allergy and Infectious Diseases http://www.niaid.nih.gov
Canadian Diabetes Association http://www.diabetes.ca
Health Canada http://www.hc-sc.gc.ca
Administer intramuscular, subcutaneous, and intradermal injections. Brookside Associates Multimedia Edition website. Available at: http://www.brooksidepress.org/Products/Administer%5FIM%5FSQ%5Fand%5FID%5FInjections/lesson%5F2%5FSection%5F1.htm. Accessed August 27, 2014.
Intramuscular injection (IM). Cincinnati Children's Hospital website. Available at: http://www.cincinnatichildrens.org/health/i/intramuscular-injection. Updated December 2013. Accessed August 27, 2014.
Selecting, evaluating, and using sharps disposal containers website. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/niosh/docs/97-111. Updated June 6, 2014. Accessed August 27, 2014.
- Reviewer: Michael Woods, MD
- Review Date: 06/2015 -
- Update Date: 05/11/2015 -