DD3 has ended up needing albuteral AND a steroid for her seemingly chronic lung inflammation this past year. Her coughing has been helped tremendously with this treatment.
From the people I've spoken with, it's been a rough year. DD3 apparently needs the steroid inhaler to help heal her lungs, keeping the albuterol as needed only. She also has upper respiratory congestion that won't go away, but no fever so
There are a few massage techniques you can try to help drain her sinuses.
this is a good description.