Hello Vincent. First let me sympathize and commiserate with you regarding anxiety and panic. I have had to deal with these uncomfortable sensations and full panic disorder over the years. There is no end to the number of physical sensations we can feel with anxiety. Throat tightness is a very common one. When we tune in to our uncomfortable sensations, we become more anxious. There are so many excellent books and programs for anxiety disorder. One of the authors who was a great help to me is Claire Weekes. I always remind myself, while breathing slowly in through the nose and out through the mouth, that I am not at the mercy of my nerves. Rather, my nerves are at the mercy of me! I remind myself to be kind to my nervous system, as it is only doing what I am telling it to do with my anxious thoughts. Please do a search for books or programs that can genuinely help you. Another excellent book is Don't Panic, which you can search on Amazon.  There is a way through this! Much good luck to you.