Initially, 40 mg daily taken at night for 4-8 wk. Maintenance: 20 mg daily taken at night. Benign gastric ulcer
40 mg daily taken at night for 4-8 wk. Zollinger-Ellison syndrome
Initially, 20 mg 6 hrly (higher dose in patients who have been receiving another H2
-antagonist), max 800 mg daily. Relief of GERD, prevention & treatment of esophageal erosion or ulceration assoc w/ GERD
20 mg bd.