OmeprazoleAmoxicillinAnti-Ulcer Agents2-PyridinylmethylsulfinylbenzimidazolesAmoxicillin-Potassium Clavulanate CombinationProton Pump InhibitorsAnti-Bacterial AgentsPenicillinsClarithromycinLansoprazoleHelicobacter pyloriMetronidazoleRanitidineHelicobacter InfectionsRabeprazoleGastric AcidClavulanic AcidDrug Therapy, CombinationGastric Acidity DeterminationClavulanic AcidsSulfoxidesStomach UlcerBenzimidazolesFurazolidoneMicrobial Sensitivity TestsEsophagitis, PepticBismuthHistamine H2 AntagonistsDouble-Blind MethodPeptic UlcerGastroesophageal RefluxAdministration, OralGastric MucosaCross-Over StudiesAmpicillinDrug InteractionsDyspepsiaCimetidineGene DosageDosage Compensation, GeneticAntacidsFamotidinePenicillin ResistanceBreath TestsOtitis MediaTetracyclineDosage FormsDrug Resistance, BacterialTreatment OutcomeStreptococcus pneumoniaeAryl Hydrocarbon HydroxylasesPeptic Ulcer HemorrhageDrug Administration ScheduleGastrinsStomachSuspensionsArea Under CurveAnti-Infective AgentsEsophagitisHeartburnTinidazolebeta-LactamsMixed Function OxygenasesTablets, Enteric-CoatedAzithromycinDose-Response Relationship, DrugGastric JuiceAntitrichomonal AgentsDrug CombinationsLevofloxacinHydrogen-Ion ConcentrationCefaclorOrganometallic CompoundsHalf-LifeEndoscopy, GastrointestinalCefuroximeOfloxacinbeta-LactamasesHaemophilus influenzaeGastroscopyPneumococcal InfectionsCapsulesEnzyme InhibitorsOtitis Media with EffusionPenicillin VTonsillitisTherapeutic EquivalencyAza CompoundsTabletsTime FactorsLactamsProspective StudiesPentagastrinH(+)-K(+)-Exchanging ATPaseCyclacillinCefiximeRecurrenceProbenecidProton PumpsCefotaxime