This study reported the mean time in therapeutic range as a percentage and found that in the group of participants deemed to have poor INR control , the addition of 150 mcg oral vitamin K significantly improved their anticoagulation control . and oral (p.o.) A big increase in vitamin K can lower your INR. Vitamin K safely and effectively corrects the INR but does not nec-essarily reduce bleeding events compared with warfarin withdrawal alone [29]. This can cause dangerous clotting in your blood. This article lists 20 foods that are exceptionally high in vitamin K. Choice of thera- A second six-month study gave a small dose of vitamin K (150 mcg daily) or placebo to participants taking warfarin with existing poor INR control. Eat the same amount of vitamin K each day. If used, intravenous (iv.) Vitamin K helps your body form blood clots. A big decrease in vitamin K can raise your INR. Your healthcare provider will decide how much warfarin you need based on a blood test called an INR. Leafy greens have both high vitamin K options and low vitamin K options.

Resume warfarin at a lower dose when the INR approaches the therapeutic range. Monitor INR every 12 hours. This helps keep your INR at the same healthy level. Consider oral phytonadione at a dose of 2.5 to 5 mg (INR reduction expected to occur within 24 hours). Do not change the amount of vitamin K you normally have from foods or supplements. Vitamin K plays a vital role in blood clotting, as well as bone and heart health.

Monitor INR every 12-24 hours. vitamin K are preferred over subcutaneous administration [30–32].

vitamin K may be given as a more active management strategy. In the absence of bleeding (or given only minor hemorrhage), INR reduction is achieved either by withholding anticoagulation or by administration of phytonadione (vitamin K 1), classically by the intravenous route. Watch Those Leafy Greens. Vitamin K and Warfarin Developed by Registered Dietitians Nutrition Services 607145-NFS Vitamin K and warfarin Warfarin (also called Coumadin®) is a medicine that prevents blood clots from forming. Appendix B: Phytonadione (Vitamin K) Dosing Guidelines INR > 9.0, No significant bleeding Repeat INR; hold warfarin. Due to the risks associated with irregular vitamin K intake, it is essential that patients taking warfarin consume a consistent amount of vitamin K daily so their warfarin dose can be adjusted to that level of vitamin K intake (1). Vitamin K can counteract the Coumadin by making your blood clot faster, interfering with the drug’s effectiveness. Repeat INR; hold warfarin. If you are on blood thinners, you should eat consistent amounts of vitamin K in order to keep the medicine’s effectiveness consistent. 7 Withholding anticoagulation in anticipation of INR return to the therapeutic range is time-consuming 8 and exposes patients to prolonged periods of excessive bleeding risk.