<s>[INST] Hi im 21 and i am having troble taking a deep breath it feels kinda tight when i do this all started last night around 8pm i called ems and they took my blood my oxygen level was all good .. so i didnt feel the need to go to the hospital but today its the same so i did go to the doctor and he told me it was a chest cold but im not coughing please help? [/INST] Thanks for your question on Chat Doctor. I can understand your concern. By your history and description, possibility of stress and anxiety related symptoms is more likely. So avoid stress and tension, be relaxed and calm. Consult psychiatrist and get done counselling sessions. Try to identify stressor in your life and start working on its solution. You may need anxiolytic Chat Doctor. Don't worry, you will be alright with all these. Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks. </s>