Hello dear
Warm welcome to Health care magic family .
I have evaluated your query thoroughly .
* This seems in relation with lowered immunity of the lungs with
compliance levels affected due to age related changes .
* Suggestions for better life further
- Deep breathing exercises ,
YOGA , walking in fresh air are major
medicines for him .
- Continue current medicines .
- Avoid
stress ,
anxiety .
- No
smoking , alcohol .
- Regular sound sleep of 8 hrs .
- Prefer semi reclining positions when resting .
- Plenty of liquids.
- Balanced nutritious diet to combat the immunity .
- Avoid exposure to dusty weather and use face mask liberally when
needed .
Hope this will help him .
Welcome anytime for further assistance anytime in future .
Regards dear take care .