The use of<unk>  is contraindicated in anyone with: * Increased risk of bleeding (i.e. frequent falls, gastrointestinal bleeds) * History of hematological disease * Severe liver disease * History of allergic reaction to<unk>  or any thienopyridine drug such as clopidogrel Because of the increased risk of bleeding, patients taking<unk>  should discontinue the medication 10–14 days before surgery.
Ticlopidine
Prokarin
Rivaroxaban
Palladin
Eptifibatide
Apixaban
Ticagrelor
Heparin