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Heparin

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Heparin

Heparin Sodium
Injection, USP 2000 and 2500 USP Units/mL
Heparin Sodium ADD-Vantage™ Vial

DRUG DESCRIPTION

Heparin Sodium Injection, USP is a sterile, nonpyrogenic solution of heparin sodium (derived from porcine intestinal mucosa) in water for injection. Each container contains 10000, 12500, 20000 or 25,000 USP Heparin Units; 40 or 80 mg sodium chloride added to render isotonic (see HOW SUPPLIED section for various sizes and strength). May contain sodium hydroxide and/or hydrochloric acid for pH adjustment. pH 6.0 (5.0 to 7.5).

The solution contains no bacteriostat, antimicrobial agent or added buffer and is intended for use only as a single-dose injection. When smaller doses are required, the unused portion should be discarded.

Heparin sodium in the ADD-Vantage™ system is intended for intravenous administration only after dilution.

Heparin Sodium, USP is a heterogenous group of straight-chain anionic mucopolysaccharides, called glycosamino-glycans having anticoagulant properties. Although others may be present, the main sugars occurring in heparin are: (1) α- L-iduronic acid 2-sulfate, (2) 2-deoxy-2-sulfamino-α-D-glucose-6-sulfate, (3) β-D-glucuronic acid, (4) 2-acetamido-2-deoxy-α-D-glucose, and (5) α-L-iduronic acid. These sugars are present in decreasing amounts, usually in the order (2) > (1) > (4) > (3) > (5), and are joined by glycosidic linkages, forming polymers of varying sizes. Heparin is strongly acidic because of its content of covalently linked sulfate and carboxylic acid groups. In heparin sodium, the acidic protons of the sulfate units are partially replaced by sodium ions. The potency is determined by a biological assay using a USP reference standard based on units of heparin activity per milligram.

Structure of Heparin Sodium (representative subunits):

Heparin Sodium Structural Formula Illustration

What are the possible side effects of heparin injection ()?

Heparin can cause you to have bleeding episodes while you are using it and for several weeks after you stop. Call your doctor at once if you have easy bruising or unusual bleeding, such as a nosebleed, blood in your urine or stools, black or tarry stools, or any bleeding that will not stop.

Get emergency medical help if you have any of these signs of an allergic reaction: nausea, vomiting, sweating, hives, itching, trouble breathing, swelling of your face, lips, tongue, or throat, or feeling like you might pass out..

Some people receiving a heparin injection have had a...

Read All Potential Side Effects and See Pictures of Heparin »

What are the precautions when taking heparin (Heparin)?

Before using heparin, tell your doctor or pharmacist if you are allergic to it; or to pork products; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: very low platelet count (thrombocytopenia), uncontrollable bleeding, high blood pressure (hypertension), heart problems (such as infection of the heart, heart attack), recent surgery/procedure, cancer, bleeding/clotting disorders (such as hemophilia, antithrombin III deficiency), stomach/intestinal ulcers or tube drainage, liver disease, current/recent bleeding (such as from wounds, menstrual...

Read All Potential Precautions of Heparin »

Last reviewed on RxList: 1/23/2012
This monograph has been modified to include the generic and brand name in many instances.

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Heparin - User Reviews

Heparin User Reviews

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