The recommended routine dose is 10mg orally once a day; The most likely side effects of antithrombotic drugs, including Berritol, are the risk of bleeding, including oral and nasal mucosal bleeding, skin petechiae, ecchymosis, subcutaneous bleeding, gastrointestinal bleeding such as hematemesis and melena, bleeding of important organs such as cerebral hemorrhage, and other bleeding risks such as impaired liver and kidney function. It is suggested that blood routine, biochemistry and coagulation function should be checked regularly during medication.