At your original post, someone did post back to you that same day and described what to expect if you get an endoscopy and/or a colonoscopy, so click on the button at the top of this webpage at "My MedHelp," and your profile page will come up, there is a list of all your posts, and you can just click on your first one and the whole thread will come up.
I have panic disorder and I take tranquilizers for it.