There may be other brand names for this medicine.
You should not receive this medicine if you have had an allergic reaction to warfarin, or if you are pregnant or planning to become pregnant. Ask your doctor about using this medicine if you are having or have recently had surgery. Usually, you should not use this medicine if you are having surgery on your eyes, brain, or spine, or major surgery that will leave you with large, open wounds. This medicine should not be used if you have certain heart problems, severe or uncontrolled high blood pressure, or any condition that may cause uncontrolled bleeding (such as a stomach ulcer or hemophilia).