Pulmonary embolism

Separate formulary recommendations are available for reversal agents in cardiovascular conditions.

Treatment of acute pulmonary embolism and prevention of recurrent pulmonary embolism

Refer to local treatment guidelines.


Direct Acting Oral Anticoagulants (DOACs) – consult local guidelines for preferred 1st line choice. Ensure loading doses and durations are completed before maintenance dosing commences.

Apixaban
Apixaban 2.5mg tablets
Apixaban 5mg tablets
Rivaroxaban
Rivaroxaban 10mg tablets
Rivaroxaban 15mg tablets
Rivaroxaban 20mg tablets

If a DOAC is unsuitable consider LMWH alone or LMWH concurrently with a VKA for at least 5 days, or until the INR is at least 2.0 in 2 consecutive readings, followed by a VKA on its own. Consult local guidelines for preferred LMWH.


Enoxaparin
Inhixa 40mg/0.4ml solution for injection pre-filled syringes
Inhixa 60mg/0.6ml solution for injection pre-filled syringes
Inhixa 80mg/0.8ml solution for injection pre-filled syringes
Inhixa 100mg/1ml solution for injection pre-filled syringes
Inhixa 120mg/0.8ml solution for injection pre-filled syringes
Inhixa 150mg/1ml solution for injection pre-filled syringes
Clexane 40mg/0.4ml solution for injection pre-filled syringes
Clexane 60mg/0.6ml solution for injection pre-filled syringes
Clexane 80mg/0.8ml solution for injection pre-filled syringes
Clexane 100mg/1ml solution for injection pre-filled syringes
Clexane Forte 120mg/0.8ml solution for injection pre-filled syringes
Clexane Forte 150mg/1ml solution for injection pre-filled syringes
Dalteparin
Dalteparin sodium 7,500units/0.3ml solution for injection pre-filled syringes
Dalteparin sodium 10,000units/0.4ml solution for injection pre-filled syringes
Dalteparin sodium 12,500units/0.5ml solution for injection pre-filled syringes
Dalteparin sodium 15,000units/0.6ml solution for injection pre-filled syringes
Dalteparin sodium 18,000units/0.72ml solution for injection pre-filled syringes
Tinzaparin
Tinzaparin sodium 8,000units/0.4ml solution for injection pre-filled syringes
Tinzaparin sodium 10,000units/0.5ml solution for injection pre-filled syringes
Tinzaparin sodium 12,000units/0.6ml solution for injection pre-filled syringes
Tinzaparin sodium 14,000units/0.7ml solution for injection pre-filled syringes
Tinzaparin sodium 16,000units/0.8ml solution for injection pre-filled syringes
Tinzaparin sodium 18,000units/0.9ml solution for injection pre-filled syringes
Tinzaparin sodium 40,000units/2ml solution for injection vials
Warfarin
Warfarin 1mg tablets
Warfarin 3mg tablets
Warfarin 5mg tablets

For use in heparin infusions where immediate anticoagulant effect is needed or reversibility is required.

Heparin
Heparin sodium 5,000units/5ml solution for injection ampoules
Heparin sodium 20,000units/20ml solution for injection ampoules

When patients have heparin-induced thrombocytopenia type II requiring parenteral antithrombotic treatment. Refer to local guidelines.


Argatroban
Argatroban 50mg/50ml solution for infusion vials
Danaparoid
Danaparoid sodium 750units/0.6ml solution for injection ampoules
Fondaparinux sodium
Fondaparinux sodium 2.5mg/0.5ml solution for injection pre-filled syringes

Prescribing Notes:

  • See SIGN 129 Antithrombotics: indications and management.
  • When warfarin or DOAC therapy is initiated, anti-platelet therapy is normally discontinued, except on specialist advice by cardiology or vascular specialities to continue. This will be communicated in individual patient correspondence. 
  • See separate pathway for reversal agents for cardiovascular medications.

History Notes

27/05/2026

Regional formulary chapter launched.

Thrombolysis of massive pulmonary embolus
Alteplase
Alteplase 10mg powder and solvent for solution for injection vials
Alteplase 20mg powder and solvent for solution for injection vials
Alteplase 50mg powder and solvent for solution for infusion vials

Prescribing Notes:

  • See local guidelines for further information.
  • Thrombolytic treatments must be used in strict accordance with detailed protocols.
  • Different preparations of alteplase have different licensed indications and doses.

History Notes

27/05/2026

Regional formulary chapter launched.