Hypersensitivity to the active substance or to any of the excipients listed in Description.
Clinically significant active bleeding.
Hepatic disease associated with coagulopathy and clinically relevant bleeding risk.
Lesion or condition, if considered to be a significant risk for major bleeding. This may include current or recent gastrointestinal ulceration, presence of malignant neoplasms at high risk of bleeding, recent brain or spinal injury, recent brain, spinal or ophthalmic surgery, recent intracranial haemorrhage, known or suspected oesophageal varices, arteriovenous malformations, vascular aneurysms or major intraspinal or intracerebral vascular abnormalities.
Uncontrolled severe hypertension.
Concomitant treatment with any other anticoagulants e.g. unfractionated heparin (UFH), low molecular weight heparins (enoxaparin, dalteparin, etc.), heparin derivatives (fondaparinux, etc.), oral anticoagulants (warfarin, dabigatran etexilate, rivaroxaban, apixaban etc.) except under specific circumstances of switching oral anticoagulant therapy (see Dosage & Administration) or when UFH is given at doses necessary to maintain an open central venous or arterial catheter (see Interactions).
Pregnancy and breast-feeding (see Use in Pregnancy & Lactation).