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Heparin flush
  • Treatments
  • Patency Maintenance of Indwelling Intravenous Devices

Heparin (flush)

Generic name: heparin (flush) [ HEP-a-rin ]
Brand names: Heparin Lock Flush, Monoject Prefill Advanced, PosiFlush
Dosage forms: intravenous kit (100 units/mL); intravenous solution (1 units/mL; 10 units/mL; 10 units/mL-NaCl 0.9%; 100 units/mL; 125 units/250 mL-D10%; 2 units/mL)
Drug class:Heparins

Medically reviewed by Drugs.com on Jun 13, 2022. Written by Cerner Multum.

What is heparin flush?

Heparin is an anticoagulant (blood thinner) that prevents the formation of blood clots.

Heparin flush is used to flush (clean out) an intravenous (IV) catheter, which helps prevent blockage in the tube after you have received an IV infusion.

Heparin flush should not be used to treat or prevent blood clots in the body. A separate heparin product is available to use for this purpose.

Heparin flush may also be used for purposes not listed in this medication guide.

Warnings

Heparin flush should not be used to treat or prevent blood clots in the body. A separate heparin product is available to use for this purpose.

You should not use heparin flush if you have uncontrolled bleeding or a severe lack of platelets in your blood.

Heparin flush can cause bleeding. Call your doctor at once if you have easy bruising or unusual bleeding, such as a nosebleed, black or bloody tarry stools, or any bleeding that will not stop.

Tell your doctor about all medicines you use. This includes prescription, over-the-counter, vitamin, and herbal products. Using certain medicines while you are using heparin flush can cause you to bleed more easily.

Before taking this medicine

You should not use heparin flush if you are allergic to it, or if you have:

  • a severe lack of platelets in your blood; or

  • uncontrolled bleeding.

To make sure heparin is safe for you, tell your doctor if you have:

  • any type of allergy;

  • an infection of the lining of your heart (also called bacterial endocarditis);

  • uncontrolled high blood pressure;

  • recent history of heart attack, stroke, cancer, or surgery;

  • a bleeding or blood clotting disorder, such as hemophilia;

  • a stomach or intestinal disorder;

  • congestive heart failure;

  • kidney disease;

  • liver disease; or

  • if you are having a menstrual period.

It is not known whether heparin flush will harm an unborn baby. Tell your doctor if you are pregnant.

Do not use heparin flush without telling your doctor if you are breast-feeding a bab...