Heparin Sodium Injection

Product Overview

Heparin Sodium Injection is a prescription injectable anticoagulant used to prevent and treat blood clots in veins, arteries, and the heart. It works by enhancing the activity of antithrombin III, which inhibits clotting factors IIa (thrombin) and Xa, thereby slowing the formation of fibrin clots.

Heparin is commonly used in deep vein thrombosis (DVT), pulmonary embolism (PE), myocardial infarction, atrial fibrillation, and during hemodialysis or cardiac surgery. Injectable administration provides rapid systemic anticoagulation, which is critical in acute or high-risk situations.

This medication is available by prescription only and must be administered under licensed healthcare supervision.

Dosage & Administration

General Dosing Information

Dosing of Heparin Sodium Injection is individualized based on patient weight, clinical condition, and laboratory monitoring (e.g., activated partial thromboplastin time, aPTT).

Typical Adult Use (Examples)

• Administered subcutaneously (SC) for prophylaxis or intravenously (IV) for therapeutic anticoagulation
• Dose and frequency depend on indication, patient weight, and desired level of anticoagulation
• Common uses:
  • Prophylaxis of venous thromboembolism (VTE)
  • Treatment of deep vein thrombosis or pulmonary embolism
  • Prevention of clot formation during surgeries or hemodialysis

Administration Details

• Supplied as a sterile injectable solution
• Inspect solution prior to use; do not use if cloudy, discolored, or containing particulate matter
• Use aseptic technique during preparation and administration
• Administer SC injections into the abdomen, rotating sites to minimize irritation
• IV administration requires careful monitoring and slow infusion as prescribed
• Do not shake the vial; discard any unused or contaminated medication
• Dispose of needles and syringes in approved sharps containers

Patients should not self-administer IV injections unless properly trained and authorized by their healthcare provider.

Treatment Duration & Monitoring

Treatment duration depends on the patient’s condition and risk of thrombosis:

• Short-term prophylaxis for hospitalized or post-surgical patients
• Therapeutic use for acute thromboembolic events
• Monitoring may include:
  • Activated partial thromboplastin time (aPTT) for IV therapy
  • Platelet counts to monitor for heparin-induced thrombocytopenia (HIT)
  • Observation for bleeding, bruising, or injection-site reactions

Therapy should be adjusted based on clinical response and laboratory results.

Mechanism of Action

Heparin Sodium Injection works by:

• Binding to antithrombin III, enhancing its inhibition of thrombin (factor IIa) and factor Xa
• Preventing conversion of fibrinogen to fibrin, slowing clot formation
• Providing rapid anticoagulation when administered parenterally
• Useful in acute or high-risk thrombosis management

Contraindications & Precautions

Heparin Sodium Injection should be used with caution or avoided in patients with:

• Known hypersensitivity to heparin or pork products
• Active bleeding or high risk of hemorrhage
• History of heparin-induced thrombocytopenia (HIT)
• Severe hypertension, gastrointestinal ulcers, or recent surgery increasing bleeding risk

This product is intended for medically supervised use only.

Drug Interactions

Patients should inform their healthcare provider of all medications and supplements. Heparin may interact with:

• Other anticoagulants or antiplatelet drugs (increased bleeding risk)
• NSAIDs or corticosteroids (may increase bleeding tendency)
• Certain herbal supplements (e.g., ginkgo, garlic)

Concurrent therapy should be monitored closely by a healthcare provider.

Adverse Reactions & Side Effects

Common

• Mild injection-site irritation or hematoma
• Bruising

Less Common

• Excessive bleeding or hemorrhage
• Heparin-induced thrombocytopenia (HIT)
• Allergic reactions (rare)

Seek immediate medical attention for unusual bleeding, bruising, or severe allergic reactions.

Pregnancy & Breastfeeding

Heparin does not cross the placenta and may be used in pregnancy when medically indicated. Injectable supplementation should be used under strict supervision. Patients should consult their provider before use.

Storage & Handling

• Store according to Angel Pharmacy compounding and dispensing guidelines
• Typically stored at controlled room temperature
• Protect from light
• Do not freeze
• Keep out of reach of children and pets

Unused or expired medication should be disposed of according to pharmacy or healthcare facility protocols.

Important Notice

This information is provided for educational purposes only and does not replace professional medical advice. All dosing, administration, and treatment decisions must follow the instructions of the prescribing healthcare provider.