This document provides information on the prescription drug JESO, including its indications, dosages, and safety information. It can be used to treat conditions such as GERD, Zollinger-Ellison syndrome, NSAID-induced gastric ulcers, duodenal ulcers, frequent heartburn, and erosive esophagitis. The dosage varies depending on the indication but treatment duration is typically between 4-10 weeks. Common side effects include headache, abdominal pain, diarrhea, and nausea. JESO should be stored in a cool, dry place protected from light.