This is mainly an anxiety neurosis feature as you have mentioned it rightly. Also the other features which you have mentioned goes in line with psychological stress. So it is not necessary for you to worry regarding it. Get yourself to a Psychaitrist. You shall require certain medications. Apart from that you also need some physical and mental exercises to calm yourself down. Physical exercise could be as simple as walking and mental it should be a good meditation type which you can easily follow and adhere to,.