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How to Give an Intramuscular Injection

Medically reviewed by Drugs.com. Last updated on Mar 3, 2024.

An intramuscular (IM) injection is an injection of medicine given into a muscle. Certain medicines need to be given into the muscle for them to work correctly.

DISCHARGE INSTRUCTIONS:

Follow up with your doctor as directed:

Write down your questions so you remember to ask them during your visits.

About the syringe:

There are 3 parts to a syringe: the needle, the barrel, and the plunger. The needle goes into your muscle. The barrel holds the medicine and has markings on it like a ruler. The markings are in milliliters (mL). The plunger is used to get medicine into and out of the syringe.

Where to give an intramuscular injection:

Placement for an intramuscular injection:

Items needed to give an injection:

How to give an intramuscular injection:

Wash your hands with soap and dry them completely. Put on gloves if necessary.

How to get rid of used syringes and needles:

It is important to dispose of your needles and syringes correctly. Do not throw needles into the trash. You may receive a hard plastic container made especially for used syringes and needles. You can also use a soda bottle or other plastic bottle with a screw lid. Make sure that both the syringe and needle fit into the container easily and cannot break through the sides. Ask your healthcare provider or a pharmacist what your state or local requirements are for getting rid of used syringes and needles.

Contact your healthcare provider if:

Seek care immediately or call 911 if:

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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.