MetronidazoleTabletsAntitrichomonal AgentsTablets, Enteric-CoatedNitroreductasesUbiquitin ThiolesteraseHelicobacter pyloriAmoxicillinAnti-Bacterial AgentsUbiquitin-Specific ProteasesClarithromycinChemistry, PharmaceuticalBismuthHelicobacter InfectionsNitroimidazolesExcipientsTrichomonas vaginalisBacteria, AnaerobicAnti-Infective AgentsTinidazoleTrichomonas VaginitisBacteroides fragilisAnti-Ulcer AgentsDrug CompoundingOmeprazoleDelayed-Action PreparationsClindamycinBacteroides InfectionsOrnidazoleEnterocolitis, PseudomembranousTechnology, PharmaceuticalVaginosis, BacterialTetracyclineMicrobial Sensitivity TestsClostridium difficileDrug Therapy, CombinationAntiprotozoal AgentsAdministration, OralMethylcelluloseTritrichomonasNimorazoleDrug Resistance, MicrobialAmebicidesNitrofuransFurazolidoneRosaceaPowdersBacteroidesSolubilityGardnerella vaginalisRanitidineDrug Resistance, BacterialSuppositoriesGiardia lambliaPyruvate SynthaseTrichomonasEndopeptidasesHardnessBacteria, Aerobic2-PyridinylmethylsulfinylbenzimidazolesBiological AvailabilityGiardiasisDuodenal UlcerTherapeutic EquivalencyPeptostreptococcusDrug CombinationsNiridazoleOrganometallic CompoundsEntamoeba histolyticaAntacidsPenicillinsDosage FormsPeptic UlcerLansoprazoleVaginal Creams, Foams, and JelliesAnaerobiosisPharmaceutic AidsCapsulesNifuratelLubricantsPremedicationDouble-Blind MethodTrichomonas InfectionsAdministration, IntravaginalBlastocystis hominisCefoxitinTreatment OutcomeDrug ResistanceDrug StabilityUbiquitinationBacterial InfectionsRibotypingCelluloseVancomycinPovidoneLiver Abscess, AmebicBulgariaIodoquinolDyspepsiaFusobacterium