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The optimal topical anesthesia regimen for unsedated transnasal endoscopy is unknown. The addition of a nasal decongestant, such as xylometazoline (X), to a topical anesthestic may improve patient comfort.

canadian journal of gastroenterology

A Randomized Trial of Topical Anesthesia Comparing Lidocaine Versus Lidocaine Plus Xylometazoline for Unsedated Transnasal Upper Gastrointestinal Endoscopy