Coumadin (Anticoagulation) Clinic Patient Information



a. Monitor

To ensure that every patient placed on long and short-term anticoagulation therapy by a referring physician receives safe, efficient, and economical care according to current standards of practice.

b. Educate

To provide patient education regarding the safe use of warfarin. This will include but is not limited to dietary considerations, drug-drug and drug- disease interactions, self-monitoring parameters for sign and symptoms of bleeding/bruising as well as thromboembolisms, compliance to medication and follow-up appointments.

c. Follow-up

To ensure continuity of care for all patients in order to optimize anticoagulation therapy while minimizing hemorrhagic complications.


What is Coumadin?

Coumadin, also known as Warfarin is a blood thinner that assists in minimizing blood clotting in your body. Blood clotting can cause serious help complications.


Why are patients on the medication Coumadin?

Coumadin is used to prevent blood clotting and resolve existing clots. Common conditions where Coumadin is helpful include, but not necessary all inclusive, deep vein thrombosis, pulmonary embolism, atrial fibrillation, heart valve replacement, recent heart attack, and certain types of surgeries (various joint replacements). 


What are symptoms for be aware when on Coumadin?

There are many benefits to using Coumadin, however there are also many potential complications that can also occur in taking Coumadin.


Some of the symptoms that you should tell our office immediately about are:

§ Suspicions of serious bleeding

§ Coughing blood

§ Unusual colored stool or urine

§ Quick bruising

§ Nausea

§ Vomiting

§ Abdominal pain

§ Yellowing of the eyes or skin

§ Unusual pain/swelling/discomfort

§ Intense headaches

§ Feelings of dizziness or fainting

§ Unusually or consistently tired or weak

§ Chest pain

§ Short of breath

§ Difficulty swallowing

§ Allergic reactions – rash, itching, swelling


The above list is not complete. If you are experiencing symptoms you should contact our office immediately at 951-781-6335. If you believe it is a medical emergency, please call 9-1-1.


What should you do whenever you are on Coumadin and changing your diet, medications, vitamins/supplements?

Patient or caregiver should contact our office immediately to ensure the patient is not at increased risk of serious medical complications.


What should you do whenever you are on Coumadin and preparing for a medical surgery?

It is important that you contact our office immediately for any medical, including dental procedure, that you are about to undergo.

When updating our office on any medications, please be sure to tell them about any prescription drugs, nonprescription drugs, and herbal products you are currently taking—especially new ones.


What is an INR Test?

Prothrombin time (PT) is a blood test that measures how long it takes blood to clot. A prothrombin time test can be used to check for bleeding problems. PT is also used to check whether medicine to prevent blood clots is working.

A PT test may also be called an INR test. INR (international normalized ratio) stands for a way of standardizing the results of prothrombin time tests, no matter the testing method. So your doctor can understand results in the same way even when they come from different labs and different test methods. Using the INR system, treatment with blood-thinning medicine (anticoagulant therapy) will be the same. In some labs, only the INR is reported and the PT is not reported.


What are expectations of patients on Coumadin?

  1. To not miss any Coumadin doses prescribed by our office
  2. To report any potentially dangerous symptoms to our office immediately by calling 951-781-6335, 24 hours a day, seven days a week
  3. To report any changes to diet, prescription/non-prescription drugs, vitamins/herbs, or upcoming medical/dental procedures to our office immediately
  4. To receive your INR test at the frequency prescribed by our office
  5. To not miss any follow-up appointments with your physician in our office
  6. To ask any questions you have about Coumadin




  1. Over-the-Counter Medications To Avoid
  2. Dietary Guidelines for Vitamin K and Warfarin
  3. Patient Agreement
  4. Daily Log



Content approved by: Dr. Tarek Mahdi on 11/21/13


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The information on this site is intended for your general information and is not a substitute for medical advice from a qualified professional. You should seek prompt medical care for any specific health problems. This site is subject to change periodically at the discretion of its owner. This site may contain links to other sites that may provide information, products, or services relating to healthcare. Riverside Family Physicians has no control over these sites and does not warrant the accuracy of the informatin contained therein, nor does it endorse any products specified in these sites.
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