I feel shortness of breath and i feel like im dying everyday.i have panic disorder.im too scared to go to doctors in case they find out its very serious and im actually dying in real?

Very distressing: How you write your question indicates that there may be ways of managing it. Get a trusted friend/relative to go with you to the doctor's. There are lots of relatively easy ways to manage this. I hope you will find some of these that work for you, because being subject to panic attacks is awful. So be brave and see a provider. Find one whose approach works for you. Life is too short to suffer.