Hi! My Name Is Carolyn. I Am 63yrs., Old, Have

Hi! My name is Carolyn. I am 63yrs., old, have high Blood pressure and rhuematiod arthritis in my joints and bones. My feet swell up quite often, but now I have a knee that is so swollen I cant bend my knee! Had fluid drained a few weeks ago !Please help! I dont know what to do !