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dalteparin

Low-molecular-weight heparin · Anticoagulant

Low-molecular-weight heparinAnticoagulant
CDSCO approved
EXCRETION
not curated
INTERACTIONS
12 major
SEVERE in our sources
PREGNANCY
B
FDA category + note
Top interactionssee all 12
  • AbciximabSevereDatabaseDDInter
  • AcalabrutinibSevereDatabaseDDInter
  • AlteplaseSevereDatabaseDDInter
  • AnagrelideSevereDatabaseDDInter

Mechanism

Not yet extracted

Indications

initial treatment of venous thromboembolismacute coronary syndromeProphylaxis of deep vein thrombosisProphylaxis of pulmonary embolism (in high-risk patients undergoing surgery; stroke or other immobilized patients)Treatment of established deep vein thrombosisUnstable anginaMyocardial infarctionMaintain patency of cannulae and shunts in dialysis patientsTreatment of venous thromboembolism associated with cancer (compared to apixaban)Prophylaxis for hospitalized cancer patientsProphylaxis for cancer patients receiving a thalidomide analogueVTEprophylaxis for VTE

Dosing

Adult
Prophylaxis: 2500 IU OD; Treatment of deep vein thrombosis: 100 U/Kg 12 hourly or 200 U/Kg 24 hourly
Pediatric
May require monitoring
Renal adjustment
May require monitoring with an anti–factor Xa assay due to accumulation and bleeding risk. Contraindicated in patients with creatinine clearance below 30 mL/min.

Pharmacokinetics

Half-life
4-6 hours
Bioavailability
90% after subcutaneous injection
Excretion
Cleared almost exclusively by the kidneys

Contraindications

  • Creatinine clearance below 30 mL/min

Side effects

Common
Bleeding (somewhat less incidence than unfractionated heparin)Little effect on plateletsReversible abnormalities of hepatic function tests
Serious
  • Thrombocytopenia (<1% incidence)
  • Osteoporosis (lower risk than unfractionated heparin)
  • Hyperkalemia

Pregnancy & lactation

Pregnancy

B

Drug interactions

Abciximab
Severe
Database

Clinical effect not specified

Source: DDInter

Acalabrutinib
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Alteplase
Severe
Database

Clinical effect not specified

Source: DDInter

Anagrelide
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Anisindione
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Anistreplase
Severe
Database

Clinical effect not specified

Source: DDInter

Antithrombin Alfa
Severe
Database

Clinical effect not specified

Source: DDInter

Antithrombin Iii Human
Severe
Database

Clinical effect not specified

Source: DDInter

Apixaban
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Ardeparin
Severe
Database

Clinical effect not specified

Source: DDInter

Argatroban
Severe
Database

Clinical effect not specified

Source: DDInter

Aspirin
Severe
Database

Drug interaction classified as: synergy.

Source: DDInter

Related guidelines

Other Low-molecular-weight heparin drugs

Ask House about dalteparin

Continue into a citation-backed clinical answer with the drug context already attached.

Sources: KD Tripathi 7e, Goodman & Gilman 14e, Harrison 22e·Verified: 2026-05-10 · House clinical team