I agree with Parker.. I do not believe that you have Panic Disorder, I beilieve that you may have a different anxiety disorder. Generalized Anixiety Disorder (GAD) is classified by a person always kind of feeling like something bad is going to happen. having one panic attack and worrying about having more sounds to me like GAD a little more than Panic Disorder... but as long as you have it under control that is awsome Keep up the good work