<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing shortness of breath and fatigue lately. My legs are also swollen. What could be the problem?  <response>: Based on your symptoms, it sounds like you might have heart failure. I would prescribe you some medications such as furosemide, carvedilol, warfarin, nitroglycerin, digoxin, spironolactone, isosorbide, amiodarone, hydralazine, bumetanide, metolazone, and potassium chloride. 