Amoxicillin or tetracycline in bismuth-containing quadruple therapy as first-line treatment for <i>Helicobacter pylori</i> infection

Abstract

Modified quadruple therapy comprising rabeprazole, amoxicillin, metronidazole, and bismuth is an effective first-line treatment for the <i>H. pylori</i> infection in regions with high clarithromycin and metronidazole resistance.