Hello and welcome to e health forum.
From the description provided it seems that you may be having a reactive airway condition like bronchitis or asthma.
You may benefit by consulting a doctor and undergoing a few tests including a pulmonary function tests to get a proper diagnosis.
Treatment with bronchodilators might be necessary in such cases.
In the mean time, you can get some relief by using medications like Robitussin DM and steam inhalation to reduce the severity of your symptoms.