Laryngopharyngeal Reflux (Silent Reflux)

Laryngopharyngeal Reflux (LPR) refers to the backflow of stomach acid up the esophagus and into the larynx (voice box) or the pharynx (throat). It is sometimes called silent reflux because, unlike typical gastroesophageal reflux, LPR can occur without heartburn or indigestion. This is because the stomach acid does not stay in the esophagus long enough to irritate the esophagus and cause heartburn