However, peppermint has properties that may relax the lower esophageal sphincter, allowing the contents of the stomach to move upwards into the esophagus.
He essentially invented the modern science of endoscopy of the upper airway and esophagus, using hollow tubes with illumination (esophagoscopes and bronchoscopes).
Occasionally there can be dysphagia (difficulty swallowing), which indicates that the candidiasis involves the oropharynx or the esophagus, as well as the mouth.