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.
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.