Take before meals.
For patients with gastric ulcer, duodenal ulcer, reflux esophagitis, Zollinger-Ellison syndrome or marginal ulcer, the dosage is 30mg once a day; patients with gastric ulcer, reflux esophagitis, Zollinger-Ellison syndrome or marginal ulcer should take the drug for 6-8 consecutive weeks; patients with duodenal ulcer should take it for 4-6 consecutive weeks.

If it is applied for the treatment of repeated attacks of reflux esophagitis, the dosages should be halved for patients with liver dysfunction and for elderly patients.