Administering a subcutaneous injection of Lovenox (enoxaparin) is a common nursing skill, especially for post-surgical patients at risk of developing blood clots. This review breaks down the procedure into simple steps to ensure safe and effective administration.
What is Lovenox (Enoxaparin)?
Lovenox, also known as enoxaparin, is a low molecular weight heparin (LMWH). It is an anticoagulant that helps prevent blood clots by slowing down clotting factors. Many patients receive Lovenox after surgery.
Nursing considerations:
- Monitor for excessive bleeding, including:
- Gums
- Nose
- Gastrointestinal tract
- Unusual bruising
Supplies You’ll Need
Before starting, gather all necessary supplies:
- Pre-filled Lovenox (enoxaparin) syringe
- Alcohol prep pad
- Clean gloves
- Sharps container
Medication checks:
- Confirm the medication and patient name
- Verify the correct dose
- Check the expiration date
Video Demonstration on How to Administer Lovenox
Step 1: Prepare the Medication
- Perform hand hygiene and don clean gloves.
- Open the syringe packaging by peeling off the back label. Do not push the syringe through the packaging, as this could damage the needle.
- Remove the syringe by grasping the middle of the barrel, avoiding contact with the plunger.
Key Parts of the Syringe:
- Barrel: Displays drug name and dose. Double-check both.
- Air bubble: Keep the air bubble; it helps push all medication in and reduces bruising.
- Needle cap: Keep on until ready to inject.
- Plunger: Push to administer medication.
Store the prepared syringe safely until ready to inject.
Step 2: Select and Prepare the Injection Site
Location:
- Subcutaneous tissue on the abdomen, at least 2 inches away from the belly button.
- Tip: Use three fingers width from the belly button as a visual guide.
Clean the site:
- Use an alcohol prep pad.
- Clean in a circular motion from the center outward, covering about 2 inches.
- Allow the site to air dry completely. Do not wipe, blow, or wave dry.
Step 3: Pinch the Skin
- Use your non-dominant hand to grasp a fold of fatty tissue between thumb and fingers.
- Maintain this pinch throughout the injection to prevent injecting into muscle.
- Release the pinch only after withdrawing the needle.
Step 4: Inject the Medication
- Remove the needle cap.
- Hold the syringe like a dart with your dominant hand.
- Insert the needle at 90° for most patients.
- For very thin patients with little subcutaneous tissue, adjust to 45°.
- Use your thumb to depress the plunger, injecting both the medication and the air bubble.
- Withdraw the needle at the same angle used for insertion and then release the skin.
- Engage the needle safety.
- Do not rub or massage the injection site.
Step 5: Dispose and Document
- Place the syringe directly into a sharps container.
- Remove gloves and perform hand hygiene.
- Document the administration according to your facility’s policy.
Key Tips for Nursing Students
- Always check the dose and expiration date before administration.
- Keep the air bubble in Lovenox injections to minimize bruising.
- Avoid injecting through clothing.
- Never rub the injection site after administration.
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References:
Sanofi‑Aventis U.S. LLC. (2021). Lovenox® injection instructions [PDF]. https://www.lovenox.com/-/media/ems/conditions/cardiology/brands/lovenox/professional/pdf/Lovenox%20Injection%20Instructions.pdf
U.S. Food and Drug Administration. (2021). Lovenox® (enoxaparin sodium) injection: Full prescribing information. https://www.accessdata.fda.gov/drugsatfda_docs/label/2021/020164s129lbl.pdf