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How to Perform a Subcutaneous Injection

Published in Injection Technique 2 mins read

Subcutaneous injections deliver medication just below the skin's surface, into the fatty tissue. Here's how to do it safely and effectively:

Preparing for the Injection

  1. Gather Supplies: You'll need the prescribed medication, a sterile needle and syringe (the appropriate gauge and size will depend on the medication), alcohol swabs, and a sharps container for safe disposal.
  2. Wash Your Hands: Thoroughly wash your hands with soap and water for at least 20 seconds.
  3. Prepare the Injection Site: Choose an injection site with ample subcutaneous fat. Common areas include the outer area of the upper arm, the abdomen (at least 2 inches from the navel), or the thigh. Clean the site with an alcohol swab, allowing it to air dry completely.

Administering the Injection

  1. Pinch the Skin: Gently pinch the skin at the injection site to create a fatty tissue fold. This helps ensure the needle goes into the subcutaneous layer.
  2. Insert the Needle: Quickly insert the needle all the way into the pinched skin at a 90-degree angle. If there's limited subcutaneous fat, a 45-degree angle may be necessary. (Source: Inject the Medicine, 28-Oct-2023)
  3. Release the Skin: Once the needle is fully inserted, release the pinched skin.
  4. Inject the Medication: Slowly and steadily push the plunger to inject all the medication.
  5. Remove the Needle: Quickly withdraw the needle.
  6. Apply Pressure: Gently apply pressure to the injection site with a clean cotton ball or gauze pad. Do not rub.
  7. Dispose of Supplies: Properly dispose of the used needle and syringe in a sharps container.

Important Considerations

  • Medication Type: Always follow the specific instructions provided by your healthcare provider or the medication packaging.
  • Needle Size: The appropriate needle size will vary depending on the medication and the patient's body composition.
  • Injection Sites: Rotate injection sites to prevent irritation or build-up of medication in one area.

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