Heparin (Unfractionated)
Anticoagulant (Unfractionated Heparin)- Drug Class
- Anticoagulant (Unfractionated Heparin)
- Mechanism of Action (MOA)
- Activates antithrombin III → inactivates thrombin (IIa) and factor Xa.
- Clinical Notes
- Monitor aPTT; rapid on/off, reversible with protamine. Watch for HIT (heparin-induced thrombocytopenia). Preferred in pregnancy and renal failure.
- Source
- FDA label
Sources
Reviewed September 2026- FDA label — FDA / DailyMed
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