Blocks the final stage of HCl secretion, reducing basal and stimulated secretion, regardless of the nature of the stimulus. Prescribed for gastric ulcer and duodenal ulcer in acute phase, erosive-ulcerative esophagitis, reflux esophagitis, Zollinger-Ellison syndrome, stress ulcers of the gastrointestinal tract; eradication of Helicobacter pylori within a combination therapy, non-ulcer dyspepsia.