<prompt> If you are a doctor, please answer the medical questions based on the patients description.65 yr old male stroke alzhimers wary stage .THE STROKE EFFECTED MY RIGHT SIDE BADLY WHERE WALKING UNAIDED IS IMPOSSIBLE .i sit all day an watch Tv .MY LEGS ARE SWOLLEN AN I NEED TO WEAR STOCKINGS TO THE KNEE ON BOTH LEGS AN I NEED TO KEEP MY LEGS UP .I DONT HAVE ANY SENSATION WITH MY BLADDER .MY QUESTION IS WHY ARE MY LEGS SO SWOLLEN AN GETTING WORSE ?  <response>: They could be due to venous stasis because of lack of movement and muscle tone.or kidney function disorder...get a kidney function test.and if clear then you should try being a bit active and move as you can walk even with assisting device or person...elevate your legs and try burgers exercise 1, Elevate feet on padded chair or board for 12 to 3 minutes.2, Sit in relaxed position while each foot is flexed and extended then pronated and ruminated for 3 minutes. The feet should become entirely pink. If the feet are blue or painful, elevate them and relax as necessary.3, Lie quietly for 5 minutes, keeping legs warm with a blanket. 