Phenindion is an anticoagulant drug and is mainly used to prevent and treat blood clotting disorders that may lead to blockage of blood vessels. This drug is prescribed to patients suffering from conditions such as deep vein thrombosis or pulmonary embolism as it helps reduce the risk of these conditions worsening and the clots moving to other areas of the body. The mechanism of action of the drug depends on reducing the activity of vitamin K in the body, which is the vitamin that plays a major role in the blood clotting process. By inhibiting this activity,
Phenindion limits the body's ability to form unwanted blood clots.