Dicumarin (Dicumarinum, synonym: Dicumarol, Trombosan, etc., list A ) is an anticoagulant of indirect action. The action of dicumarin is associated with a violation of the biosynthesis of prothrombin and other coagulation factors . Applied internally with the systematic monitoring of prothrombin in the blood for the prevention and treatment of thrombosis, thrombophlebitis , with myocardial infarction , coronary insufficiency of 0.05-0.1 g 2-3 times a day for 2-3 days, then reduce the dose so that the prothrombin index did not drop below 50-40%. Dicumarin is contraindicated in hemorrhagic diseases, stomach ulcer , pregnancy, during menstruation . Form release: dragees to 0.05 g. See also Anticoagulants.