Short of breath and palpitations, the best medicine to take should be based on the etiology of the patient. If the shortness of breath and palpitations are caused by anemia, you can use ferrous succinate to supplement iron under the guidance of a doctor. If it is caused by coronary heart disease and myocardial ischemia, it can be treated by taking drugs to improve the insufficiency of heart blood supply, such as atorvastatin, tegrenol, aspirin, ethyl mononitrate, etc. If it is caused by heart failure, it can be treated by oral spironolactone, tolasemide and furosemide.