AmoxicillinAmoxicillin-Potassium Clavulanate CombinationAnti-Bacterial AgentsPenicillinsClavulanic AcidClarithromycinClavulanic AcidsMetronidazoleMicrobial Sensitivity TestsHelicobacter pyloriDrug Therapy, CombinationHelicobacter InfectionsOmeprazole2-PyridinylmethylsulfinylbenzimidazolesAmpicillinPenicillin ResistanceOtitis MediaAnti-Ulcer AgentsDrug Resistance, BacterialStreptococcus pneumoniaeLansoprazoleFurazolidoneRabeprazolebeta-LactamsBismuthCefaclorCefuroximeAnti-Infective AgentsProton Pump InhibitorsAzithromycinbeta-LactamasesHaemophilus influenzaeTetracyclinePneumococcal InfectionsLevofloxacinOtitis Media with EffusionTonsillitisAdministration, OralPenicillin VAza CompoundsLactamsCyclacillinCefiximeOfloxacinProbenecidPenicillin-Binding ProteinsCefotaximeBacteria, AnaerobicCephalosporinsSuspensionsDrug Resistance, Multiple, BacterialDuodenal UlcerPenicillin Gbeta-Lactam ResistanceMoraxella (Branhamella) catarrhalisBacterial InfectionsTinidazoleAcute DiseaseRanitidineColony Count, MicrobialPneumonia, PneumococcalDrug CombinationsRespiratory Tract InfectionsTreatment OutcomePeptic UlcerUrinary Tract InfectionsAntibiotic ProphylaxisTrimethoprim-Sulfamethoxazole CombinationTachypneaSulbactamCephalexinDrug EruptionsHaemophilus InfectionsSinusitisBacteria, AerobicDyspepsiaDouble-Blind MethodTooth ExtractionFluoroquinolonesPenicillanic AcidDrug Administration ScheduleEaracheSulfoxidesDrug Resistance, MicrobialQuinolinesNigella sativaOrganometallic CompoundsBreath TestsCommunity-Acquired InfectionsPneumonia, BacterialTreatment FailureOtitisFluid ShiftsPharyngitisNasopharyngeal DiseasesOtitis Media, Suppurative