
Ask your healthcare provider for more information about vitamin K. Vitamin K is found in green leafy vegetables, broccoli, grapes, and other foods.

Contact your healthcare provider if you miss a dose or you have any questions about how to take warfarin. Take this medicine exactly as directed.Your provider may need to adjust your dose based on your INR results. Your healthcare provider will need to monitor you closely while you are taking warfarin. Go to all your follow-up appointments.

You have severe stomach pain or you vomit blood.Heavy bleeding during monthly period in women.Red spots on your skin that look like a rash.What are the signs and symptoms of warfarin toxicity? You start or stop taking another medicine or supplement that affects the way warfarin works.A sudden decrease of vitamin K in your diet can increase your risk of bleeding.Your risk of bleeding increase over time when your INR is too high. The INR, or International Normalized Ratio, is a measure of how long it takes your blood to clot.

Your healthcare provider adjusts your dose based on your INR.
