AmoxicillinAntibiotic ProphylaxisAmoxicillin-Potassium Clavulanate CombinationAnti-Bacterial AgentsPenicillinsClavulanic AcidPost-Exposure ProphylaxisClarithromycinClavulanic AcidsMetronidazoleDrug Therapy, CombinationMicrobial Sensitivity TestsDental ProphylaxisHelicobacter pyloriHelicobacter InfectionsAmpicillinOmeprazoleTrimethoprim-Sulfamethoxazole Combination2-PyridinylmethylsulfinylbenzimidazolesPenicillin ResistanceAnti-Ulcer AgentsAnti-Infective AgentsDrug Resistance, BacterialOtitis MediaChemopreventionStreptococcus pneumoniaePremedicationLansoprazoleCefuroximeFurazolidoneTreatment OutcomeAdministration, Oralbeta-LactamsRabeprazoleAzithromycinBacterial InfectionsLevofloxacinBismuthSurgical Wound InfectionProton Pump InhibitorsCefaclorDrug Administration ScheduleDouble-Blind MethodOfloxacinTetracyclinePenicillin VVenous ThromboembolismHaemophilus influenzaePneumococcal InfectionsDrug Combinationsbeta-LactamasesCephalosporinsAza CompoundsAcute DiseaseUrinary Tract InfectionsPneumonia, PneumocystisProspective StudiesOtitis Media with EffusionTonsillitisCefotaximePenicillin GMycosesStreptococcal InfectionsLactamsCyclacillinCefiximeRespiratory Tract InfectionsEndocarditis, BacterialBacteria, AnaerobicProbenecidHeparin, Low-Molecular-WeightDrug Resistance, Multiple, BacterialRanitidinePenicillin-Binding ProteinsColony Count, MicrobialDoxycyclinePeptic UlcerAntifungal AgentsAntiviral AgentsCefazolinSulbactamBacteria, AerobicSuspensionsDrug EruptionsDrug Resistance, MicrobialClindamycinVenous ThrombosisDuodenal UlcerCephalexinTime FactorsAnticoagulantsRetrospective StudiesTooth ExtractionPneumonia, PneumococcalCiprofloxacinbeta-Lactam ResistanceTreatment FailureMoraxella (Branhamella) catarrhalisTinidazoleSulfamethoxazole