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Enoxaparin Injection

What is this medication?

ENOXAPARIN (ee nox a PA rin) prevents or treats blood clots. It belongs to a group of medications called blood thinners.

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This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Lovenox

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

  • Bleeding disorders, hemorrhage, or hemophilia
  • Infection of the heart or heart valves
  • Kidney or liver disease
  • Previous stroke
  • Prosthetic heart valve
  • Recent surgery or delivery of a baby
  • Ulcer in the stomach or intestine, diverticulitis, or other bowel disease
  • An unusual or allergic reaction to enoxaparin, heparin, pork or pork products, other medications, foods, dyes, or preservatives
  • Pregnant or trying to get pregnant
  • Breast-feeding

How should I use this medication?

This medication is injected under the skin. You will be taught how to prepare and give it. For your therapy to work as well as possible, take each dose exactly as prescribed on the prescription label. Do not skip doses. Skipping or stopping this medication can increase your risk of a blood clot. Keep taking this medication unless your care team tells you to stop.

It is important that you put your used needles and syringes in a special sharps container. Do not put them in a trash can. If you do not have a sharps container, call your care team to get one.

This medication comes with INSTRUCTIONS FOR USE. Ask your pharmacist for directions on how to use this medicine. Read the information carefully. Talk to your care team if you have questions.

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Talk to your care team about use of this medication in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medication?

  • Aspirin and aspirin-like medications
  • Certain medications that treat or prevent blood clots
  • Dipyridamole
  • NSAIDs, medications for pain and inflammation, like ibuprofen or naproxen

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Visit your care team for regular checks on your progress. You may need blood work done while you are taking this medication. Your condition will be monitored carefully while you are receiving this medication. It is important not to miss any appointments.

If you are going to need surgery or other procedure, tell your care team that you are using this medication.

Using this medication for a long time may weaken your bones and increase the risk of bone fractures.

Avoid sports and activities that might cause injury while you are using this medication. Severe falls or injuries can cause unseen bleeding. Be careful when using sharp tools or knives. Consider using an electric razor. Take special care brushing or flossing your teeth. Report any injuries, bruising, or red spots on the skin to your care team.

Wear a medical ID bracelet or chain. Carry a card that describes your disease and details of your medication and dosage times.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Bleeding—bloody or black, tar-like stools, vomiting blood or brown material that looks like coffee grounds, red or dark brown urine, small red or purple spots on skin, unusual bruising or bleeding

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

  • Pain, redness, or irritation at the injection site
  • Swelling of the ankles, hands, or feet

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

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Where should I keep my medication?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Do not freeze. If your injections have been specially prepared, you may need to store them in the refrigerator. Ask your pharmacist. Throw away any unused medication after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

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Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.

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