An inhibitor of proton pump. The drug indications include: gastric ulcer and duodenal ulcer (in an acute phase), erosive gastritis, reflux-esophagit, Zolling-Erellison syndrome.

The drug is a prodrug and is activated in the acidic environment of the secretory tubules in the parietal cells. It reduces basal and stimulated secretion regardless of the nature of the stimulus. Prescribed in case of erosive ulcerative diseases of the gastrointestinal tract and eradication of Helicobacter pylori in infected patients with gastric and duodenal ulcer.