Rivaronol 15mg Tablet is an anticoagulant used to prevent and treat blood clots, reduce stroke and heart attack risk, and treat vein clots in the legs, lungs, brain, and heart. It is commonly used in patients with irregular heart rhythms and those undergoing knee or hip replacement surgeries. It can be taken with or without food, and should be continued or changed without doctor's guidance. It can be used for years or even life, and side effects include bleeding more easily than normal.