A hallmark of stress disorders is the anxiety attack. Sometimes they are barely noticeable and other times they feel like you are just about to die (have a heart attack). Panic attacks produce all the symptoms of heart attacks and, to be honest, they are scary as hell.
I can say that for anxiety, seeing a therapist is actually a really good thing. At first I was skeptical about if they would actually hear what I was saying or if they would just make up some narrative that I didn't actually feel. However, after finding someone to talk to I realized that what was going on wasn't some elaborate ploy to tell me what I felt--it was a non prejudiced ear to listen to what I had to say.
I do highly recommend searching for someone to talk to because it can really make a difference that you never would have thought.