<unk> s <unk>  are a class of anticoagulants which, as their name indicates, act by inhibiting the action of<unk> <unk> .
They can be teratogens.
Vitamin K antagonist
Factor Xa inhibitor antidote
Factor XIII concentrate
Direct Xa inhibitor
Direct thrombin inhibitor
Prothrombin complex concentrate
Heparinoids
Thrombolytic drug