A<unk>  is a drug which reduces thrombus formation.
Different<unk> s affect different processes:
Antiplatelet drugs limit the migration or aggregation of platelets.
Anticoagulants limit the ability of the platelets to clot.
Thrombolytic drugs act to dissolve clots after they have formed.
Antithrombotic
Anticoagulant
Sympatholytic
Steroid
Antidiarrhoeal
Antimicrobial
Diuretic
Antihypertensive