For peptic ulcer: 20-40mg/day as a single dose after breakfast for 4-8 weeks PO.
For Zollinger-Ellison syndrome: 180mg/day in divided doses PO.
For GERD or severe esophagitis: 20mg/day 4-8 weeks PO, slow IV.
For prophylaxis of acid aspiration: 40mg PO evening before surgery; 2-6 hours before surgery slow IV.
Administration: Administer before food or meals, swallow whole capsule, do not chew or crush.