MetronidazoleAntitrichomonal AgentsNitroreductasesHelicobacter pyloriAmoxicillinAnti-Bacterial AgentsClarithromycinBismuthNitroimidazolesHelicobacter InfectionsTrichomonas vaginalisBacteria, AnaerobicTinidazoleAnti-Infective AgentsTrichomonas VaginitisBacteroides fragilisAnti-Ulcer AgentsClindamycinBacteroides InfectionsOmeprazoleEnterocolitis, PseudomembranousVaginosis, BacterialOrnidazoleMicrobial Sensitivity TestsTetracyclineClostridium difficileAntiprotozoal AgentsDrug Therapy, CombinationTritrichomonasNimorazoleDrug Resistance, MicrobialAmebicidesNitrofuransFurazolidoneRosaceaBacteroidesGardnerella vaginalisDrug Resistance, Bacterial