MetronidazoleAntitrichomonal AgentsNitroreductasesHelicobacter pyloriAmoxicillinAnti-Bacterial AgentsBismuthNitroimidazolesHelicobacter InfectionsTrichomonas vaginalisBacteria, AnaerobicTinidazoleAnti-Infective AgentsTrichomonas VaginitisBacteroides fragilisAnti-Ulcer AgentsClindamycinBacteroides InfectionsOmeprazoleEnterocolitis, PseudomembranousVaginosis, BacterialOrnidazoleMicrobial Sensitivity TestsTetracyclineClostridium difficileAntiprotozoal AgentsDrug Therapy, CombinationTritrichomonasNimorazoleDrug Resistance, MicrobialAmebicidesNitrofuransFurazolidoneRosaceaOral StageGardnerella vaginalisDrug Resistance, BacterialRanitidineGiardia lambliaPyruvate SynthaseSuppositoriesTrichomonasOperating TablesGiardiasisPeptostreptococcusDuodenal UlcerNiridazoleEntamoeba histolyticaPenicillinsPeptic UlcerOrganometallic Compounds2-PyridinylmethylsulfinylbenzimidazolesAnaerobiosisNifuratelPremedicationTrichomonas InfectionsAdministration, OralCefoxitinAntacidsBacterial InfectionsRibotypingVancomycinDrug ResistanceLiver Abscess, AmebicBulgariaIodoquinolDyspepsiaLansoprazoleFusobacteriumAdministration, IntravaginalFusobacterium Infections