Image Stolen from The Heart Surgery Forum Take a close look at the photograph above.
Each tablet is imprinted with the drug name on the top half of the pill. In the center is a bold faced numeral, indicating the milligrams of warfarin base in each tablet. This permits the patient to easily cut the pill into two equal halfs with a dull kitchen knife. The drug competes with the areas of the Liver that are needed for vitamin K uptake. As the levels of vitamin K within the liver decrease.