Rabeprazole 20mg is a proton pump inhibitor (PPI) indicated for the treatment of stomach and esophageal acid-related conditions. It assists in minimizing the production of stomach acid, rescues acid reflux symptoms, heartburn, and gastroesophageal reflux disease (GERD). The medication is also indicated for the treatment of gastric ulcers, Zollinger-Ellison syndrome, and erosive esophagitis.