Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 10/23/2025

Vitamin K Supplementation in Chronically Ill Patients

Clinical Scenarios Requiring Vitamin K Supplementation

  • The European Society for Clinical Nutrition and Metabolism (ESPEN) guidelines prioritize water-soluble vitamins and trace elements over vitamin K for hospitalized patients with kidney failure on kidney replacement therapy (KRT), with a focus on vitamin C (100 mg/day), folate (0.3 mg daily replacement), thiamine (4 mg daily replacement), and monitoring/supplementation of selenium, zinc, and copper based on serum levels and effluent losses 1, 4, 5, 6
  • The American Association for the Study of Liver Diseases recommends parenteral vitamin K supplementation for patients with decompensated liver disease who are jaundiced or have cholestatic liver disease, with a dose of 10 mg orally or intravenously when indicated 3

When NOT to Use Vitamin K

  • The American Association for the Study of Liver Diseases recommends against routine vitamin K administration to correct coagulopathy in cirrhotic patients at risk of bleeding, as it does not effectively improve hemostatic parameters or reduce bleeding risk in hepatic synthetic dysfunction 3
  • The American College of Emergency Physicians notes that vitamin K1 (phytonadione) 5-10 mg IV has limited efficacy in correcting coagulopathy when hepatic synthetic function is severely impaired 3

Safety Considerations

  • The recommended dose of vitamin K should not exceed 10 mg per dose, as higher doses can create a prothrombotic state and prevent re-anticoagulation for days 2, 3
  • IV administration of vitamin K requires caution, with a slow injection to minimize the risk of anaphylactoid reactions (3 per 100,000 doses) that can cause bronchospasm and cardiac arrest 2, 3
  • Vitamin K reversal should be avoided when intracranial hemorrhage is suspected due to cerebral venous thrombosis, as reversal may worsen thrombosis 2