Clavulanic AcidAmoxicillin-Potassium Clavulanate CombinationAmoxicillinPotassiumClavulanic AcidsAnti-Bacterial AgentsPotassium Channelsbeta-LactamasesMicrobial Sensitivity TestsPenicillinsbeta-LactamsPenicillanic AcidSulbactamDrug Therapy, CombinationOtitis MediaDrug Resistance, Bacterialbeta-Lactam ResistanceAmpicillinClarithromycinStreptococcus pneumoniaeTicarcillinHaemophilus influenzaeMetronidazolePenicillin ResistancePotassium Channel BlockersCefuroximePotassium Channels, Inwardly RectifyingCephalosporinsPotassium, DietaryLactamsHelicobacter pyloriAzithromycinPotassium DeficiencyPotassium Channels, Voltage-GatedPotassium CompoundsHelicobacter InfectionsPiperacillinEnterobacteriaceaeActinomycetaceaeRespiratory Tract InfectionsCefotaximeCommunity-Acquired InfectionsBacterial InfectionsOmeprazoleThienamycinsBacteria, Anaerobic2-PyridinylmethylsulfinylbenzimidazolesMoraxella (Branhamella) catarrhalisAnti-Infective AgentsCephalosporinasePotassium IsotopesDrug Resistance, MicrobialEnterobacteriaceae InfectionsBronchitis, ChronicDrug Resistance, Multiple, BacterialGram-Negative Bacteria