TROUBLE WALKING, NEED AT LEAST A CANE TO GET AROUND, EXERCISE VERY DIFFICULT, FEET BURNING UP. TAKE METFORMIN 2X A DAY.HAVE FALLEN SEVERAL TIMES , DISLOCATED SHOULDER TREATED IN THE E.R, PRESENTLY DO USE IBUPROFEN, BUT WILL STOP. HAD SOME PERCOCET FROM RECENT MERKEL CELL CANCER SURGERY W/ GRAFTS PLACED OVER SURGICAL AREAS.TOOK A COUPLE ,DESPERATE FOR SOME RELIEF TO GET AROUND, 82 YR OLD WIDOWER,HAVE TO SHOP.LIVING ALONE, WITH A DAUGHTER NEAR BY WHOSE A BIG HELP BUT HAS A AUTUSTIC 17 YEAR OLD BOY.SUGESSTIONS?