Yes Brandon, unfortunately it can cause issues with ED. Jim has taken Viagra in the past. We did find that the more he thought about it the worse it would get. Plus, with the ED he didn't feel like a man and that added to the problem. The good news is Viagra and the other meds out there work. Make sure you have a partner who can outlast the Viagra though!
The bad news is shutting off the fear of not performing takes more time. It will happen, you just have to accept it as part of what is going on. An understanding partner helps too. Finding new ways to make love, have sex, whatever it is to you and your partner can get things rolling as well. Don't be afraid to use toys if you need to.
For us, all it took was Jim to know that it didn't matter to me and that I found him sexy just the way he is. It takes more than an erection to satisfy me.