Amoxicillin-Potassium Clavulanate CombinationAmoxicillinClavulanic AcidAnti-Bacterial AgentsPotassiumOtitis MediaClavulanic AcidsMicrobial Sensitivity TestsHaemophilus influenzaeAzithromycinbeta-Lactamsbeta-LactamasesCommunity-Acquired InfectionsDrug Resistance, BacterialDrug Therapy, CombinationStreptococcus pneumoniaeHaemophilus InfectionsRespiratory Tract InfectionsPotassium ChannelsThienamycinsPenicillin ResistancePenicillinsPneumonia, PneumococcalDrug Resistance, Multiple, BacterialPenicillanic AcidSulbactamAcute DiseaseSpainDouble-Blind MethodTreatment OutcomeDrug Administration ScheduleClarithromycinbeta-Lactam ResistanceAmpicillinTicarcillinMetronidazolePotassium Channel BlockersPotassium Channels, Inwardly RectifyingCefuroximePotassium, DietaryCephalosporinsLactamsPotassium DeficiencyHelicobacter pyloriPotassium Channels, Voltage-GatedPotassium CompoundsPiperacillinHelicobacter InfectionsActinomycetaceaeOmeprazoleCefotaxime2-PyridinylmethylsulfinylbenzimidazolesEnterobacteriaceaePotassium IsotopesCephalosporinaseDrug Resistance, MicrobialBacteria, AnaerobicBronchitis, ChronicMoraxella (Branhamella) catarrhalisPotassium ChlorideAnti-Infective AgentsAnti-Ulcer AgentsEnterobacteriaceae InfectionsLansoprazoleBacterial InfectionsAmdinocillinFurazolidoneShaker Superfamily of Potassium ChannelsAdministration, OralKv1.3 Potassium ChannelDrug CombinationsKlebsiella pneumoniaeCephalosporin ResistanceUrinary Tract InfectionsRabeprazoleGram-Negative BacteriaPneumonia, BacterialKlebsiellaPotassium IodideCeftazidimePotassium RadioisotopesSodiumBismuthMembrane PotentialsKv1.2 Potassium ChannelEscherichia coliKineticsCefaclorShaw Potassium ChannelsIsoelectric FocusingKCNQ1 Potassium ChannelHypokalemiaPotassium Channels, Calcium-ActivatedProton Pump InhibitorsStenotrophomonas maltophiliaDrug SynergismPotassium CitrateEther-A-Go-Go Potassium ChannelsEnzyme InhibitorsTetracycline