Critical Seriousness - Abnormal Liver Function Tests - Abnormal Hepatic Function Tests is a Life Threatening Side Effect of Arixtra Critical Seriousness - Abnormally Low Blood Pressure - Hypotension is a Life Threatening Side Effect of Arixtra Critical Seriousness - Anemia is a Life Threatening Side Effect of Arixtra Critical Seriousness - Bleeding Following an Operation - Postsurgical Hemorrhage is a Life Threatening Side Effect of Arixtra Critical Seriousness - Collection of Clotted Blood in an Organ, Space or Tissue - Hematoma is a Life Threatening Side Effect of Arixtra Critical Seriousness - Decreased Blood Platelets - Thrombocytopenic Disorder is a Life Threatening Side Effect of Arixtra Critical Seriousness - Hemorrhage Within the Skull - Intracranial Bleeding is a Life Threatening Side Effect of Arixtra Critical Seriousness - Hemorrhage in the Brain - Cerebrovascular Hemorrhage is a Life Threatening Side Effect of Arixtra Critical Seriousness - Hemorrhage is a Life Threatening Side Effect of Arixtra Critical Seriousness - Inflammation of the Skin with Blisters - Bullous Dermatitis is a Life Threatening Side Effect of Arixtra Critical Seriousness - Low Amount of Potassium in the Blood - Hypokalemia is a Life Threatening Side Effect of Arixtra Critical Seriousness - Severely Decreased Platelets - Severe Thrombocytopenia is a Life Threatening Side Effect of Arixtra Critical Seriousness - Thrombotic Thrombocytopenic Purpura is a Life Threatening Side Effect of Arixtra |