Inhibitor of H+-K+-ATP, the dextrorotatory isomer of omeprazole. Reduces the secretion of hydrochloric acid in the stomach by specific inhibition of the proton pump in parietal cells. The therapeutic use includes gastroesophageal reflux disease: erosive reflux esophagitis (treatment), prevention of relapse in patients with healed esophagitis, symptomatic treatment of GERD.

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.

is given to patients for treating severe acne that do not respond to other medicines