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Table 147-2

Regimens Recommended for Eradication of H. Pylori Infection

DrugDose
Triple therapy
1. Bismuth subsalicylate plus2 tablets qid
Metronidazoleplus250 mg qid
Tetracyclinea500 mg qid
2. Ranitidine bismuth citrate plus400 mg bid
Tetracycline plus500 mg bid
Clarithromycin or metronidazole500 mg bid
3. Omeprazole (lansoprazole) plus20 mg bid (30 mg bid)
Clarithromycin plus250 or 500 mg bid
Metronidazoleb or500 mg bid
Amoxicillinc1 g bid
Quadruple therapy
Omeprazole (lansoprazole)20 mg (30 mg) daily
Bismuth subsalicylate2 tablets qid
Metronidazole250 mg qid
Tetracycline500 mg qid

aAlternative: use prepacked Helidac.

bAlternative: use prepacked Prevpac.

cUse either metronidazole or amoxicillin, not both.