Blood thinners are typically prescribed to prevent patients from developing blood clots, states WebMD. As a result, blood thinner medications may also be used to prevent heart attacks and stroke in certain patients.
One of the most common uses for blood thinners is to treat many types of heart disease, states WebMD. Patients who are at a higher risk for developing blood clots due to medical conditions may be prescribed the medication to prevent blood clots from going to their hearts. Patients who have irregular heart rhythms or who have a history of pulmonary embolisms may also be prescribed blood thinners.