My Father Is A Type 2 Diabetic He Has Had

my father is a type 2 diabetic he has had issues in the past with lichus planken. His Dr used steroids to treat the symptoms. Now a year later .My dad's A1C was a lil high and his Dr put him on a med to bring it down faster. Due to the cost out of pocket My dad didnt want to continue the med. Now he is having trouble with swollen hands and feet.. his glucose is testing around 170 daily.