Introduction: The ingestion of caustic substances is still a concern in our environment due to the severity of cases and the great potential of generating irreversible sequelae. It mainly occurs in pediatric patients who are accidental cases, or conscious, in suicide attempts intake. The greater the severity of lesions, the early the onset of stenosis. The ingestion of caustic soda commonly evolves with laryngeal and/or esophageal stricture. Among the forms of surgical treatment of laryngeal stenosis mostly use caustic soda are endoscopic balloon dilatation, laryngeal microsurgery, and open surgery.