Suggest Treatment For Emphysema

I have severe emphysema and heart desease ,which i have lots of medications for iwasnot suitable for cbg as too much lung damage ,so triple bypass out of the question. My chest has been really bad for a bout 3-4 wks, i am unable to breath without rattling /wheezing and can't even shake-up a pillow, without taking inhalers inbetween. my doctor put me on clarythromycin 500mg, he rang next day to see how i was and it had eased a lot. However by that afternoon it crept back and has been as bad since. my doctor thought it could possibly be pneumonia, when he rang, but asi say it had eased ..He said i had to see him early next week. He also put me on prednisolone ,which i often have, but he said keeping me on 6daily for a good while and eventually wean them down do you think it is pneumonia. i am coughing up lots of clear phlegm too..