H. pylori test and treat in case of unexplained ... b.i.d.) Clarithromycin (500 mg b.i.d.) Amoxicillin (1000 mg b.i.d.) or metronidazole (400 mg b.i.d.) 7–14 In populations with less than ...

Bismuth was one of the first agents used against H pylori infection. There is evidence that bismuth is directly bactericidal, although its minimum inhibitory concentration (MIC) is relatively high ...