Generic name: warfarin (oral) [ WAR-far-in ]
Brand names: Coumadin, Jantoven
Drug class:Coumarins and indandiones
What is warfarin?
Warfarin is an anticoagulant (blood thinner). Warfarin reduces the formation of blood clots.
Warfarin is used to treat or prevent blood clots in veins or arteries, which can reduce the risk of stroke, heart attack, or other serious conditions.
Warfarin may also be used for purposes not listed in this medication guide.
Warnings
You should not take warfarin if you are prone to bleeding because of a medical condition, if you have an upcoming surgery, or if you need a spinal tap or epidural. Do not take warfarin if you cannot take it on time every day.
Warfarin increases your risk of severe or fatal bleeding, especially if you have certain medical conditions, if you are 65 or older, or if you have had a stroke, or bleeding in your stomach or intestines. Seek emergency help if you have any bleeding that will not stop.
Call your doctor at once if you have other signs of bleeding such as: swelling, pain, feeling very weak or dizzy, unusual bruising, bleeding gums, nosebleeds, heavy menstrual periods or abnormal vaginal bleeding, blood in your urine, bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds.
Many other drugs can increase your risk of bleeding when used with warfarin. Tell your doctor about all medicines you have recently used.
Avoid making any changes in your diet without first talking to your doctor. Some foods can make warfarin less effective.
Before taking this medicine
You should not take warfarin if you are aller...
