High Helicobacter pylori resistance to metronidazole and clarithromycin in Brazilian children and adolescents.

ABSTRACTObjective:The aim of the present study was to assess the primary and secondary resistance of Helicobacter pylori strains to clarithromycin, amoxicillin, furazolidone, tetracycline, and metronidazole, the conventional antibiotics presently used in Brazilian children and adolescents.Methods:Se