How To Treat Swollen Legs And Ankle Due To Arthritis In Elderly Person?

I am 80 years of age - female - and have suffered from swollen legs below the knees which include my ankles. for some years. I have arthritis in my feet. At present I am on half a cilizapril tablet each day for blood pressure. My blood pressure for the past several days averages 147/79 with a pulse rate of 84. I also have Factor V leiden gene mutation.