An antithrombotic is any drug that prevents or interferes with the formation of thrombi (= clots of coagulated blood that form within a blood vessel or inside the heart).
Antithrombotics work to prevent the formation of thrombi in the blood vessels.
Antithrombotics interfere with blood clot formation.
An antithrombotic is any drug that prevents or interferes with the formation of thrombi.