Anticoagulants, often called blood thinners, are medications that slow the clotting of blood. They do not actually thin the blood but increase the time it takes a blood clot to form. Anticoagulants help prevent existing blood clots from becoming larger and may be used to prevent deep vein blood clots or to treat certain blood vessel, heart, or lung conditions.
If you take warfarin (such as Coumadin):
You may find it helpful to use the following items to lower the risk of bleeding:
Do not double the dose in any one day to make up for a missed dose.
Call your doctor if you are not sure what to do if you missed a dose.
WebMD Medical Reference from Healthwise