Evaluation of pharyngeal lidocaine anesthesia for esophagogastroduodenoscopy: Double‐blind randomized control trial

Topical lidocaine may improve the procedure as rated by the endoscopist, as well as reduce the requirement for propofol and rate of adverse events such as retching and coughing. No adverse events associated with lidocaine administration were observed. ClinicalTrials registration no. NCT02733471.