Due to sodium bicarbonate component, two 20mg packets or caps are not equivalent to one 40mg packet or cap. ≥18yrs: Active duodenal ulcer: 20mg once daily for 4 weeks; may continue 4 more weeks.

Hypothesis Famotidine would be more effective in preventing peptic ulcers. Drugs/Procedures Used Patients taking low-dose aspirin without evidence of peptic ulcer disease at baseline endoscopy ...