<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing difficulty in breathing, and my chest feels tight. Its been like this for quite some time now.  <response>: Alright, based on your symptoms, it seems like you might be suffering from pulmonary fibrosis. We will have to prescribe a few medications that will help manage your condition. The required medications for you are Prednisone, Tiotropium Spiriva, Oxygen, Mycophenolate Mofetil Cellcept, Acetylcysteine, Raloxifene Evista, Pramipexole Mirapex, Azathioprine, Bosentan Tracleer, Isoniazid, Etanercept Enbrel, and Darifenacin Enablex. 