you symptoms seems to be of a disease called chronic obstructive pulmonary disease(COPD). three cardinal symptoms of this disease are: breathlessness which is persistent and progressive, cough which is intermittent and sputum production.
has to be done to diagnose the disease as per the new guidelines.
you need to be on inhaled bronchodilator
and steroid combination alon with inhaled anticholinergic
apart from this you need annual influenza vaccination