Have Rash On Arm And Neck. Used Prednisone Cream. Help

yes,i went to the doctor last tues.,about a rash on my left inside bend,of my arm ,and two spots on my neck.he gave me a cream stronger than hc.,predisone,a tapper dose from 4 a day,for 4 days,then 3,and so .the last coulpe days it seems worse,its on my ears,back,some on my face,and I don t have ins.,or enough cash to go back.the last time it seemed to get worse before it got better,is this the way it goes