Prostate Cancer

I had surgery 03/03/2014 (Removal of the Prostate)
3 Months later 32 Radio Therapy Sessions
Now almost 18 months post RRP I am battling to keep the PSA down.
Currently on Hormone treatment, My PSA was 0.05 3 months ago, i then took a break from hormone therapy, and now 3 months later its back up to 1.65.
ED is still my biggest concern
So Disappointing