Gastroesophageal reflux disease (GERD) has been linked to many forms of pulmonary disease, including aspiration pneumonia, asthma, chronic cough and, more recently, idiopathic pulmonary fibrosis (IPF). Studies estimate that as many as 90% of patients with IPF may also have GERD.

Can GERD affect lung function?

The most frequently cited mechanisms by which a gastroesophageal reflux affects lung function are aspiration of gastric fluid into the airways and lung parenchyma with consecutive chronic inflammation and its progression to pulmonary fibrosis, which results in airway obstruction and gas exchange impairment, and ...

Can GERD cause lung disease?

GERD can cause various pulmonary manifestations: Chronic cough, bronchial asthma, bronchitis, pneumonia and interstitial fibrosis [Table 1].