Piyavit slows the onset of coagulation and increases the duration of this process. Piyavit blocks both the plasma and platelet links of hemostasis. With a high affinity for collagen, the drug reduces the adhesion of platelets to the subendothelium, has a protective effect on the endothelium. The drug shows fibrinolytic activity, which differs from that of plasmin. Prevents the growth of intravascular blood clots and promotes their absorption, reduces the viscosity of the blood. Thrombolytic effect develops slowly. Piyavit has a moderate anti-inflammatory effect.When thrombophlebitis improves regional blood supply, reduces soreness.