Dear Welcome to HCM We understand your concerns I went through your desciption. I suggest you not to worry too much. You are alredy suffering from depression and anxiety. The symptom you mentioned here seems to be panic disorder. Panic disorders are usually associated with underlying anxiety disorder. Anxiey is fear of a future event which may or may not happen. Stress and depression may also cause panic disorder. Proper assessment is required to have proper diagnosis and treatment. Please consult a psychologist for psychometric assessment and advise on further treatment methodology. Don t worry about the present symptoms and work with your psychologist for a long term goal and cure. If you need more of my help in this regard, please post a direct query on this portal. I am happy to help you. Hope this answers your query. Available for further clarifications. Good luck.