The intake of caustics continues to be a frequent consultation of Pediatric Surgeons with a high incidence in preschool and school age, with a predominance in the male sex, presenting strong accidental association due to parental neglect, is important to initially know which are the substances that can cause this type of lesions at the digestive tract, the characteristic symptoms that patients may present after ingestion, imaging exams required, as well as the appropriate diagnostic and therapeutic methods that can give resolution, to decrease morbidity and mortality in this type of patient.