Heparin: Side Effects, Uses & Monitoring

Heparin Sodium Injection, USP is indicated for: Anticoagulant therapy in prophylaxis and treatment of venous thrombosis and its extension; Low-dose regimen for prevention of postoperative deep venous thrombosis and pulmo

Data source
FDA labeling via NIH DailyMed (label 9bd0f982…)
Label version
current
Last reviewed
2026
Side effects

Reported adverse reactions

Reactions listed in current FDA labeling, with the highest frequency reported across summarized placebo-controlled trials.

No structured frequency data available in current labeling. Consult the official label.

Uses

Labeled uses (from FDA prescribing information)

Heparin Sodium Injection, USP is indicated for: Anticoagulant therapy in prophylaxis and treatment of venous thrombosis and its extension; Low-dose regimen for prevention of postoperative deep venous thrombosis and pulmonary embolism in patients undergoing major abdominothoracic surgery or who, for other reasons, are at risk of developing thromboembolic disease (see DOSAGE AND ADMINISTRATION) ; Prophylaxis and treatment of pulmonary embolism; Atrial fibrillation with embolization; Treatment of acute and chronic consumptive coagulopathies (disseminated intravascular coagulation); Prevention of clotting in arterial and cardiac surgery; Prophylaxis and treatment of peripheral arterial embolism. Heparin may also be employed as an anticoagulant in blood transfusions, extracorporeal circulation, and dialysis procedures.

Related conditions

Conditions associated with Heparin in labeling

FAQ

Frequently Asked Questions

What is Heparin used for?

FDA labeling lists the approved uses shown above under "Labeled uses." This summary is informational; only a qualified prescriber can determine whether a medication is appropriate for you.

What are the most commonly reported side effects of Heparin?

Current labeling for this ingredient does not include a structured frequency table that we can reproduce. Review the official label linked below.

Does Heparin require lab monitoring?

Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Heparin.

Where does this information come from?

All clinical facts on this page were extracted from the current FDA-registered product labeling for this ingredient, published by manufacturers through NIH DailyMed. See the source link below.

Medical disclaimer: Educational content extracted from public FDA labeling. Not medical advice. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.

Educational content only: The information on Symptom Database.com is for educational purposes and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider. Read our full disclaimer.