I have been in your shoes with all the same problems, even a stint in ICU at the hospital.
I suggest getting an Oxymeter to monitor your blood oxygen level. Your goal is to keep it above 95% when it drops blow 90% you are headed for trouble, and need to take quick action.
Colloidal Silver will kill the bacteria & fungus that are thriving in your lungs, causing inflammation and breathing problems. Also take Serrapeptase tablets from Amazon.Com to help cure your lung inflammation.