Laryngopharyngeal Reflux (LPR)
During gastroesophageal reflux, the contents of the stomach and upper digestive tract may reflux all the way up the esophagus, beyond the upper esophageal sphincter (a ring of muscle at the top of the esophagus), and into the back of the throat and possibly the back of the nasal airway. This is known as laryngopharyngeal reflux (LPR), which can affect anyone. Adults with LPR often complain that the back of their throat has a bitter taste, a sensation of burning, or something stuck. Some patients have hoarseness, difficulty swallowing, throat clearing, and difficulty with the sensation of drainage from the back of the nose (postnasal drip). Some may have difficulty breathing if the voice box is affected. Many patients with LPR do not experience heartburn.
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