Adult Max: 2.4 g daily.
Duodenal ulcer 800 mg daily in 1-2 divided doses or 200-400 mg tds w/ 400 mg at bedtime for 4 wk.
Prophylaxis of recurrent duodenal ulcer 400 mg daily for 6 mth.
Benign gastric ulcer 400 mg bd or 200 mg tds w/ 400 mg at bedtime for 6 wk.
Recurrent gastric ulcer 400 mg daily.
Reflux oesophagitis Mild to moderate conditions: 400 mg bd. Severe conditions: 400 mg qds for 12 wk.
Zollinger-Ellison syndrome, other gastric hypersecretory states 200-400 mg tds w/ 400 mg at bedtime.
Dyspepsia 200 mg qds for 4 wk.
Childn 1-12 yr 20-25 mg/kg daily in divided doses.