- Take your warfarin exactly as you are told.
- Get your blood tested as directed.
- Check with your health-care provider before you change, start, or stop taking any medicines or herbal products.
- Do not make big changes in the food you eat, lifestyle, or activities without talking to your health-care provider first.
- Limit or stop drinking alcohol while on warfarin.
- Do not take two doses if you miss a dose. Record the day you missed your dose.
- Tell anyone giving you medical or dental care that you are taking warfarin.
- Certain procedures and surgeries cannot be done if you are on warfarin.
- Carry a patient ID card.
- You may wear a medical alert bracelet or necklace.
Call your health-care provider right away if you have any of the following:
- Unusual bleeding or bruising
- You get sick or injured
- Signs of a blood clot
- If you are planning or become pregnant
- You miss doses for two or more days
Last reviewed:
August 2017