Clavulanic AcidAmoxicillinAmoxicillin-Potassium Clavulanate CombinationClavulanic AcidsPotassiumAnti-Bacterial AgentsPenicillinsMicrobial Sensitivity Testsbeta-Lactamasesbeta-LactamsClarithromycinPotassium ChannelsDrug Therapy, CombinationMetronidazolePenicillanic AcidSulbactamOtitis MediaAmpicillinHelicobacter pyloriDrug Resistance, BacterialPenicillin ResistanceStreptococcus pneumoniaeHelicobacter InfectionsOmeprazole2-Pyridinylmethylsulfinylbenzimidazolesbeta-Lactam ResistanceHaemophilus influenzaeCefuroximeTicarcillinAzithromycinAnti-Ulcer AgentsCephalosporinsLactamsLansoprazoleFurazolidoneCefotaximeAdministration, OralAnti-Infective AgentsRabeprazoleBacteria, AnaerobicPotassium Channel BlockersRespiratory Tract InfectionsPotassium Channels, Inwardly RectifyingPiperacillinCommunity-Acquired InfectionsDrug Resistance, MicrobialPotassium, DietaryMoraxella (Branhamella) catarrhalisBismuthDrug Resistance, Multiple, BacterialPotassium DeficiencyEnterobacteriaceaeCefaclorPotassium Channels, Voltage-GatedThienamycinsHaemophilus InfectionsBacterial InfectionsTreatment OutcomeDouble-Blind MethodDrug CombinationsBronchitis, ChronicPotassium CompoundsProton Pump InhibitorsDrug Administration ScheduleAcute DiseasePneumonia, PneumococcalActinomycetaceaeUrinary Tract InfectionsTetracyclineLevofloxacinPneumococcal InfectionsPotassium IsotopesCephalosporinasePneumonia, BacterialPenicillin VOtitis Media with EffusionTonsillitisAza CompoundsEnterobacteriaceae Infections