The easy, healthy recipes on the Dr. Gourmet website are individually labeled for their appropriateness for Coumadin (warfarin) users. All of the recipes on these pages are considered safe for Coumadin (warfarin) users. Because some level of alcohol use is permissible, patients taking Coumadin can use the excuse of saving up drinks to binge drink. Although you are permitted one to two drinks per day, this does not mean you can add those drinks up and drink this many in one night without experiencing adverse effects. My Guide to Coumadin ®/warfarin Therapy Information Notebook provided by the Community Anticoagulation Therapy Clinic (CAT Clinic) 319-558-4046 Welcome to Rocky Mountain Orthopaedic Associates, Inc., The largest and most comprehensive orthopaedic group between Denver and Salt Lake City, RMOA has served western Colorado and eastern Utah since 1950. Why should you be concerned about Vitamin K? Vitamin K interacts with Coumadin (warfarin) and changes the way warfarin affects the blood. Coumadin is a prescription anticoagulant drug for patients at risk for blood clots. Each patient begins on a low dose, and then receives higher doses under a doctor's close supervision. I have been on Coumadin for 7years and in the past few days my numbers are 5 I can't figure out why this is. Does anyone have any idea what to do? Warfarin is used to prevent blood clots from forming or growing larger in your blood and blood vessels. It is prescribed for people with certain types of irregular heartbeat, people with prosthetic (replacement or mechanical) heart valves, and people who have suffered a heart attack. i think chances are you will be on this for the rest of your life but if im right (im on a friends laptop and im a little nonsober) this is for blood presure. Warfarin, sold under the brand name Coumadin among others, is a medication that is used as an anticoagulant (blood thinner). It is commonly used to treat blood clots such as deep vein thrombosis and pulmonary embolism and to prevent stroke in people who have atrial fibrillation, valvular heart disease or artificial heart valves. Less commonly.