Rhonal can be used to reduce the risk of heart attack, stroke, or other health problems caused by blockage of blood vessels due to blood clots. Rhonal works to prevent dangerous blood clots. Rhonal should be used for this purpose only when your doctor, after evaluating your medical condition and health history, decides that the risk of clots is greater than the risk of bleeding. Do not use
Rhonal to prevent blood clots or heart attacks unless your doctor tells you to.