Prostate removed age 66 ( nerves spared ? ) 2-10- 2015 . After 3 mo Tried Cialis and Viagra with no results , then Trimix started with 20 units 80 % erection 3 hours LOTS of pain lowered to 15 units same erection 3 hours horrible pain . Went to Bimix , Papaverine 30 mg - Phentolamine 1 mg first inje...