I, too, am going through something similar to what you explained. As a matter of fact, I just posted a new post about it!
I've been challenging my faith in God lately, too. I've been attending church, though, and it feels great to do even that much! It's sometimes hard to think there is such a God when I feel this awful and let my panic and anxiety stop me from doing things I once loved or things I want to learn how to love! Keep you faith, though....that is something that is so strong and so important in healing. I am a firm believer in that!
About your feelings of unreality and whatnot, yes, I do get that as well. Sometimes I'll start questioning life's existence and things of that nature, and I'lls tart to feel like I'm "not here." Just sort of dreamlike. This can accompany panic and anxiety from what i'm told by my therapist and in reading I've done. It's hard to NOT think we are going crazy when we feel so out of control, ya know? What I try to tell myself is that this will make me a stronger, better person in the end. And by the end, I mean the END OF PANIC AND ANXIETY. It's all about changing our thought patterns and even lifestyles. I've cut out alcohol and caffeine completely, and that in itself has made me have less frequent panic. I have more of a constant sense of anxiety and panic versus panic attacks themselves, but I have had many of them in my life.
I hope you are feeling well and keep posting here....this seems like such a wonderful network.
Lisa