Suggested treatment protocol for recurrent DVT during anticoagulant treatment.^aLMWH once or twice daily at therapeutic dose together with a VKA (target INR, 2.0-3.0) and continue LMWH until a stable INR has been reached, but for a minimum of 5 days; ^bapixaban 10 mg twice daily for 1 week followed by 5 mg twice daily; rivaroxaban 15 mg twice daily for 3 weeks followed by 20 mg once daily; LMWH once or twice daily at therapeutic dose for at least 5 days followed by 150 mg dabigatran twice daily or by 60 mg edoxaban once daily; ^c10 mg vitamin K orally or IV; ^dLMWH dose increase by ∼25%; ^eLMWH once or twice daily at therapeutic dose together with a VKA (target INR, 2.5-4.0) and continue LMWH until a stable INR has been reached, but for a minimum of 5 days; ^fLMWH once or twice daily at therapeutic dose together with a VKA (target INR, 2.0-3.0) and aspirin (100 mg once daily), and continue LMWH until a stable INR has been reached but for a minimum of 5 days; ^gLMWH once or twice daily at therapeutic dose; and ^hfondaparinux weight-adjusted at a therapeutic dose.