Hi Sarah,
That's exactly what I have and that's why I find very difficult challenging situations like going on a bus ride, shopping, driving etc. because they don't scare me, it's just the thought of having an attack while I'm out that makes me anxious. The worse thing is knowing that it can happen anywhere and anytime without any specific trigger and very often at night while I am asleep. I feel I am fighting against something invisible I can't identify and that it would be easier if I were scared of something specific. As it is, I feel I am scared of nothing and everything at the same time.
What can I do?
Thanks!