Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry much. Anxiety is fear of something which may or may not be true or may or may not happen in the future. Anxiety is known to produce so many weird symptoms which has no physiological back up. They tend to be just obsessive. The episode and symptoms you faced could just one of its kind and never going to repeat. Take my words. Start with these simple steps Step 1 - Practice Deep and full breathing whenever possible Step 2 - Drink plenty of water and fruit juices. Step 3 - A Tomato a day keeps anxiety at bay Step 4 - Exercise regularly Step 5 - Learn to think positively I can help you in this aspect. Psychotherapy techniques should suit your requirement. If you require more of my help in this aspect, Please post a direct question to me in this URL. http://goo.gl/aYW2pR. Make sure that you include every minute details possible. I shall prescribe the needed psychotherapy techniques. Hope this answers your query. Available for further clarifications. Good luck.