what does a chronic cough mean
1 Chronic cough is a cough that persists over time. 2  Chronic cough is not a disease in itself, but rather a symptom of an underlying condition. 3  Causes of chronic cough include: 4  smoking, 5  asthma,6  hay fever (allergic rhinitis), 7  sinus problems, 8  GERD, 9  infections, and. 10  medications. Chronic cough is a cough that persists over time. 2  Chronic cough is not a disease in itself, but rather a symptom of an underlying condition. 3  Causes of chronic cough include: 4  smoking, 5  asthma,