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What should I discuss with my healthcare provider before taking warfarin (Coumadin, Jantoven)?
You should not take warfarin if you are allergic to it, or if you have:
Warfarin may cause you to bleed more easily, especially if you have:
FDA pregnancy category X. This medication can cause birth defects or fatal bleeding in an unborn baby. Do not use warfarin if you are pregnant. Tell your doctor right away if you become pregnant during treatment. Use effective birth control while you are using this medication.
To make sure you can safely take warfarin, tell your doctor if you have any of these other conditions:
Warfarin may pass into breast milk and cause bleeding problems in the nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
How should I take warfarin (Coumadin, Jantoven)?
Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label. Never take a double dose of this medication or take it together with other products that contain warfarin or coumarin.
Your doctor may occasionally change your dose to make sure you get the best results.
Take warfarin at the same time every day. Warfarin can be taken with or without food.
Avoid dieting to lose weight while taking warfarin. Tell your doctor if your body weight changes for any reason.
Call your doctor if you have any illness with diarrhea, fever, chills, body aches, or flu symptoms.
While taking warfarin, your blood will need to be tested often. Visit your doctor regularly.
Wear a medical alert tag or carry an ID card stating that you take warfarin. Any doctor, dentist, surgeon, or other medical care provider who treats you should know that you are taking this medication. You may need to stop taking the medicine for a short time if you need antibiotics, surgery, dental work, a spinal tap, or spinal anesthesia (epidural).
Store at room temperature away from heat, moisture, and light.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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