Suggest Treatment For Painfully Swollen Feet And Ankles While Treating APL

I have been experiencing swollen feet and ankles. I have gone a foot ankle Doc. 3X in 3 years. The Dr. said each time it was Achilles tendonitis. Now the left ankle is double March 27, 2016 was diagnosed with APL Leukemia. I spent 3 weeks in the hospital, with chemotherapy in IV and pillform Then chemo for 4 weeks followed with 4 weeks off IV chemo but had to take 10 chemo pills a day. I developed neuropathy in both feet toes. And the left ankle got worse. Then they took me off IV Chemo for 9 weeks and the neurophy went away. Then after going thru chemo off n on from March 27,16 to Dec.24, 2016, I was getting better slowly, but things have stopped and gone backwards. Both knees hurt badly. Wearing knee braces, taking tramadole 2 50 ml 3 to 4 xs a day, still pain. Icing knees and ankle. NO RELIEF. Had left knee done in 2013. I was diagnosed with the Leukemia getting the Blood-test for left knee replacement. Can you help me with my big swollen legs, painfull swollen ankle right. It is very painful, with shooting knife jabs going up through my heels to my ankle. Nothing helps. Please help