Heartburn is the most common symptom of acid reflux or gerd but a chronic cough is also a symptom acid reflux and coughing share on pinterest a chronic cough may be caused by stomach acid rising. Gerd cough productive. While it's natural to assume a chronic cough is due to a respiratory problem, you might be surprised to learn that studies indicate a persistent cough is often a sign of gastroesophageal reflux disease (gerd), a condition caused when the contents of your stomach inappropriately leak into your esophagus.
gerd cough productive