Treatment and prevention of duodenal ulcers. Germ stomach. Ulcers. Gastroesophageal reflux. Erosive esophagitis. Conditions of hypersecretion of gastric acid (eg, Zollinger-Ellison syndrome). To prevent ulcer recurrence. Active benign gastric ulcer. Esophagitis resulting from endoscopy. Indigestion caused by increased stomach acidity. Treating acid reflux from the stomach into the esophagus.