Data will be collected based on patient's medical records from daily visit. Enrolled subjects will take a Patient Reported Outcome (PRO) survey including Quality of life evaluation (GERD-HRQL) and self-awareness symptom (RDQ).~The survey will be done twice (before and after the administration of Fexuclue tablet) electronically through an application (e-PRO).
This observational study is a large-scale, prospective, and multi-institutional observational study.~Patients from 19 to 75 years of age, will take a self-assessment (PRO) during the study period before and after administration of Pexuclue tablet.