Taking warfarin (Coumadin, Jantoven) - what to ask your doctor

Warfarin - what to ask your doctor; Coumadin - what to ask your doctor; Jantoven - what to ask your doctor

Warfarin (Coumadin, Jantoven) is a medicine that helps keep your blood from clotting. It is one of several medicines known as blood thinners. This medicine may be important if you have already had blood clots, or if your health care provider is worried that you may form a blood clot.

Below are questions you may want to ask your provider to help you when you take warfarin.

Questions

Why am I taking warfarin?

What is a blood thinner?
How does it work?
Are there alternative blood thinners I could use?

What will be changed for me?

How much bruising or bleeding should I expect?
Are there exercises, sports activities, or other activities that are not safe for me?
What should I do differently at school or work?

How should I take warfarin?

Do I take it every day? Will it be the same dosage? What time of the day should I take it?
How can I tell the different warfarin pills apart?
What should I do if I am late for a dose? What should I do if I forget to take a dose?
How long will I need to take the warfarin?

Can I still take acetaminophen (Tylenol), aspirin, ibuprofen (Advil, Motrin), or naproxen (Aleve, Naprosyn)? What about other pain medicines? How about cold medicines? How about antibiotics? What should I do if a doctor gives me a new prescription?

Do I need to make any changes in what I eat or drink or my overall eating habits? Can I drink alcohol?

What should I do if I fall? Are there changes I should make around the home?

What are the signs or symptoms that I may be bleeding somewhere in my body?

Do I need any blood tests? Where do I get them? How often?

Open References

References

Aronson JK. Coumarin anticoagulants. In: Aronson JK, ed. Meyler's Side Effects of Drugs. 16th ed. Waltham, MA: Elsevier; 2016:702-737.

Schulman S, Levine GN. Antithrombotic and antiplatelet therapy. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 76.

A Closer Look

Talking to your MD

Self Care

Tests for Taking warfarin (Coumadin, Jantoven) - what to ask your doctor

Biopsy

Review Date: 3/2/2023

Reviewed By: Jacob Berman, MD, MPH, Clinical Assistant Professor of Medicine, Division of General Internal Medicine, University of Washington School of Medicine, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. No warranty of any kind, either expressed or implied, is made as to the accuracy, reliability, timeliness, or correctness of any translations made by a third-party service of the information provided herein into any other language. © 1997- A.D.A.M., a business unit of Ebix, Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

Health Library