Clavulanic AcidAmoxicillinAmoxicillin-Potassium Clavulanate CombinationClavulanic AcidsMethemoglobinemiaPotassiumAnti-Bacterial AgentsPenicillinsMethylene BlueMicrobial Sensitivity Testsbeta-Lactamasesbeta-LactamsClarithromycinPotassium ChannelsDrug Therapy, CombinationMetronidazolePenicillanic AcidSulbactamToxicity TestsOtitis MediaAmpicillinHelicobacter pyloriDrug Resistance, BacterialPenicillin ResistanceStreptococcus pneumoniaeHelicobacter InfectionsOmeprazole2-PyridinylmethylsulfinylbenzimidazolesSister Chromatid ExchangeIntestinal NeoplasmsAdministration, Oralbeta-Lactam ResistanceHaemophilus influenzaeCefuroximeAzithromycinTicarcillinLactamsAnti-Ulcer AgentsCephalosporinsLansoprazoleFurazolidoneCefotaximeAnti-Infective AgentsRabeprazoleBacteria, AnaerobicPotassium Channel BlockersRespiratory Tract InfectionsPiperacillinPotassium Channels, Inwardly RectifyingDrug Resistance, MicrobialCommunity-Acquired InfectionsPotassium, DietaryMoraxella (Branhamella) catarrhalisMutagensDrug Resistance, Multiple, BacterialPotassium DeficiencyBismuthEnterobacteriaceaeCefaclorThienamycinsBacterial InfectionsPotassium Channels, Voltage-GatedHaemophilus InfectionsBronchitis, ChronicPotassium CompoundsDrug CombinationsProton Pump InhibitorsRats, Inbred F344Treatment OutcomePneumonia, PneumococcalActinomycetaceaeAcute DiseaseDouble-Blind MethodUrinary Tract InfectionsAnemiaCricetulusTetracyclineLevofloxacinPneumococcal InfectionsDrug Administration ScheduleGene DosagePotassium IsotopesCephalosporinasePenicillin VPneumonia, BacterialIntestine, SmallOtitis Media with EffusionTonsillitisMice, Inbred StrainsEnterobacteriaceae InfectionsDosage Compensation, GeneticAza Compounds