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Home/Plastic Surgery Medications/Enoxaparin injection guide
Pharmacist-reviewed guide

How to self-inject enoxaparin (Lovenox) after surgery.

If your surgeon has prescribed a short course of enoxaparin to lower your clot risk, it comes as a small pre-filled syringe you give yourself at home. Here is exactly how it's done, step by step — and a D&D pharmacist is one call away to walk you through your first dose.

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Reviewed by a Florida pharmacist First-dose phone walk-through Sharps container included
Step by step

Enoxaparin, one dose at a time.

Enoxaparin, step by step

  1. Wash your hands and sit somewhere comfortable with good light.
  2. Take out the pre-filled syringe. You'll see a tiny air bubble — leave it in. It's meant to be injected last so you get the full dose.
  3. Wipe your injection spot with an alcohol pad and let it dry.
  4. Pull off the needle cap. Don't press the plunger yet.
  5. Gently pinch up a fold of skin and hold it.
  6. Push the needle all the way in at a straight 90° angle — like a dart.
  7. Press the plunger down slowly and completely, still pinching the skin.
  8. Pull the needle straight out and let go. A safety sleeve clicks over the needle.
  9. Don't rub the spot — rubbing causes more bruising. Press lightly with gauze if needed.
  10. Drop the syringe in a sharps container, and switch sides with your next dose.
Had a tummy tuck?

Your surgeon or pharmacist will tell you exactly where to inject — and the usual sites change after abdominal surgery, so don't pick one yourself. If a site hasn't been given to you, call us before your first dose and we'll confirm it with your surgeon's office.

Call us or your surgeon right away if you notice

Heavy or unusual bleeding, blood in your urine, black or tarry stools, coughing up blood, a severe headache, or an allergic reaction. Some bruising and small firm bumps at the injection site are normal.

Not sure about your first dose? A pharmacist can walk you through it when we deliver your medications.

Call (786) 558-0702

Medical disclaimer. This guide is general education, not medical advice or a prescription. Brand names are the property of their respective owners. Only your surgeon or a licensed prescriber can determine whether a blood thinner is right for you — always follow their instructions and your pharmacist's.

Common questions

Questions patients ask about the injections.

Do I have to inject a blood thinner myself after plastic surgery?
Only if your surgeon prescribes one. When they do, enoxaparin (Lovenox) is given as a small pre-filled syringe you inject under the skin at home, usually once or twice a day for a short course. A D&D Pharmacy pharmacist can walk you through your first dose when we deliver. Not every patient needs one — your surgeon decides based on your procedure and clot risk.
Where do I inject enoxaparin?
Your surgeon or pharmacist tells you the exact site, and it depends on your procedure — the usual spots change after abdominal surgery like a tummy tuck, BBL or liposuction. Don't choose a site yourself. Switch sides with each dose to limit bruising, and if no site has been given to you, call us before your first dose.
Does injecting Lovenox hurt, and is the air bubble normal?
Most patients feel a quick pinch and a brief sting. Injecting slowly, letting the alcohol dry first, and not rubbing afterward all help. The small air bubble in the syringe is there on purpose — leave it in so you receive the full dose. Small bruises and firm bumps at the site are normal and fade over time.
What if I miss a dose or my dose looks wrong?
Don't guess — call your surgeon or a D&D pharmacist. Never double up to make up a missed dose of a blood thinner. If a syringe looks damaged, discolored, or already discharged, set it aside and call us for a replacement before your next scheduled dose.

Recovering from a specific procedure?

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Scheduling a procedure in Miami? Let's talk before your pre-op.

Send us your surgeon's prescription list and your surgery date — we'll prepare your medications, coordinate with their office, and deliver everything to your recovery house, hotel, or home before you wake up.

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Written and reviewed by Dr. Janet Matheu-Prieto, PharmD — Lead Pharmacist, D&D Pharmacy · Licensed by the Florida Board of Pharmacy · About our pharmacist · Last reviewed August 30, 2026