chronic postnasal drip; gastroesophageal reflux disease (GERD), which is the back flow of stomach contents into the esophagus or food tube, if no
t into the voice box or lungs; asthma; and of course smoking or chronic exposure to second hand smoke.
The cough and the pneumonia
t be unrelated. If your doctors can say with reasonable certainty that no
ne of the above are causally related to your cough, you should ask to have genetic testing for CF, with or without bronchiectasis.