Extra-laryngeal manifestations of gastro-oesophageal reflux.

Of the various otorhinolaryngological disorders for which it has been recognized that gastro-oesophageal reflux is a possible causal or associated aetiological factor, those manifestations localized in the rhino-sinus and auricular district are certainly the "least studied". Herein, therefore, these manifestations are described, focusing on the physio-pathological aspects and the more important pathogenic hypotheses of the cough, as well as other lung manifestations.