Lidocaine versus lidocaine plus benzydamine as a topical anesthesia regimen for unsedated upper gastrointestinal endoscopy: A comparison study
Add benzydamine (B) spray to standard treatment with a lidocaine (L) spray before upper gastrointestinal endoscopy. 118 adult patients undergoing outpatient UGE were randomly assigned to receive L (n=44), LB (38) or B (n =36) before the procedure.