Clavulanic AcidAmoxicillinAmoxicillin-Potassium Clavulanate CombinationClavulanic AcidsPenicillinsAnti-Bacterial AgentsMethemoglobinemiaPotassiumClarithromycinMicrobial Sensitivity TestsMetronidazoleAmpicillinDrug Therapy, CombinationOmeprazoleMethylene BlueHelicobacter pyloriAnti-Ulcer AgentsHelicobacter Infectionsbeta-Lactamasesbeta-LactamsBismuthPenicillin Resistance2-PyridinylmethylsulfinylbenzimidazolesPotassium ChannelsPenicillanic AcidLansoprazoleStreptococcus pneumoniaeSulbactamCefuroximeOtitis MediaToxicity TestsAdministration, OralProbenecidRanitidineHaemophilus influenzaeDrug Resistance, BacterialLactamsAnti-Infective AgentsCephalosporinsAzithromycinSister Chromatid ExchangeIntestinal NeoplasmsPenicillin VPivampicillinDrug Resistance, MicrobialDuodenal Ulcerbeta-Lactam ResistanceCefotaximeProton Pump InhibitorsRespiratory Tract InfectionsTinidazoleTicarcillinCommunity-Acquired InfectionsMoraxella (Branhamella) catarrhalisDouble-Blind MethodFurazolidoneBacterial InfectionsSulfoxidesTetracyclineDrug CombinationsPeptic UlcerEnterobacteriaceaeRabeprazoleBacteria, AnaerobicPneumonia, BacterialKlebsiellaTreatment OutcomePotassium Channel BlockersPotassium Channels, Inwardly RectifyingPiperacillinPotassium, DietaryDrug Administration ScheduleDyspepsiaOfloxacinMutagensDrug Resistance, Multiple, BacterialPotassium DeficiencyAcute DiseaseCefaclorPotassium Channels, Voltage-GatedThienamycinsHaemophilus InfectionsBronchitis, ChronicPotassium CompoundsFluoroquinolonesActinomycetaceaeRats, Inbred F344Pneumonia, PneumococcalUrinary Tract InfectionsCricetulusAnemiaSinusitisPneumococcal InfectionsLevofloxacinDrug SynergismBacteriaPotassium IsotopesCephalosporinaseOtitis Media with EffusionTonsillitis