Laryngeal pharyngeal reflux

Gastrooesophageal acid reflux has been implicated in the pathogenesis of several extraesophageal disorders, including laryngitis.

Gastrointestinal reflux (GERD)–associated and laryngopharyngeal reflux (LPR)–associated processes include: Chronic laryngitis, chronic cough, dysphagia, globus sensation, hallitosis, hoarseness, chronic sinusitis, laryngeal stenosis and malacia,

LPR represents a supraesophageal complication due to reflux of gastric acid content through the esophageal/pharyngeal/laryngeal/pulmonary axis.

It is a distinct entity from GERD.

Typical symptoms are nonspecific and can occur in processes such as allergy, infection, vocal abuse, smoking, inhaled irritants, and alcohol abuse.

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