Usually Rivaroxaban 20mg can be taken twice, 10mg at a time, and the exact dosage varies from person to person.This medication prevents venous thrombosis and treats diseases such as deep vein thrombosis in adults. Rivaroxaban belongs to a new type of highly selective, dose-dependent oral anticoagulant, and the common specifications are 10mg, 15mg, 20mg.Since the clinical recommended dosage of this drug is 10mg at a time, Rivaroxaban 20mg can be taken twice. However, since each patient’s condition, physical state and other factors are different, so there is obvious variability in the dosage of the drug, and can not be generalized. Rivaroxaban can play a role in inhibiting the production of thrombin and thrombosis, therefore, it is clinically applicable to patients with elective hip or knee replacement surgery to prevent venous thrombosis, but also to treat adults with deep vein thrombosis, pulmonary embolism and other diseases, some patients will experience nausea, bleeding and other adverse reactions after using the drug. Patients must take rivaroxaban under the guidance of a doctor, do not increase or decrease the dosage on your own, so as not to affect the therapeutic effect.