Hi, I often have difficulty breathing when Im only in crowds, especially inside a packed train. Also, I dont have any difficulty breathing when Im in a crowd with a friend or someone I know well. Also, I dont have these symptoms from meeting new people or talking for a presentation.
Thanks for your question on Chat Doctor. I can understand your concern. You are mostly having claustrophobia. Claustrophobia is fear of closed spaces. People with this kind of phobia are often had fear in crowded room and area. Otherwise, they are normal. It is psychological disease. So better to consult psychiatrist and get done counseling sessions. Try to identify stressor in your life and start working on its solution. You may need some Chat Doctor.  Counselling is very important along with