Alprostadil/ Papaverine/ Phentolamine

Trimix #5 10mcg/30mg/1mg
Trimix #9 40mcg/30mg/4mg

I tried 40 and 50 units of the Trimix 9 this weekend again and was super close to penetration this time with 50 units. I

So I'm new to trimix so I'm not sure if I'm not hitting the right spot or the stuff isn't strong enough for me. I started with trimix #5. Started with 5 units and titrated up by 5 each time. Ended at 50 when i contacted my urologist for something stronger. Each time I would get an erection for 15-20...