Abstract
It is a well-known fact that a typical symptom, such as “heartburn,” can result from stomach acid reflux. Recently the manifestations of otolaryngology have also attracted attention as an atypical symptoms. The condition of an otolaryngology symptom in GERD has been called LPRD (Laryngo Pharyngeal Reflux Disease) in Europe and America. Such cases have been reported for 35 years in Europe and America, and there have also been many recent reports. However, the pathology of such cases contains many unknown points. Although pH monitoring, endoscopy, larynx mirror inspection etc. are carried out at diagnosis.
