AmoxicillinAmpicillinAmpicillin ResistanceAnti-Bacterial AgentsPenicillinsAmoxicillin-Potassium Clavulanate CombinationMicrobial Sensitivity TestsClavulanic AcidSulbactamPenicillin ResistanceClavulanic AcidsClarithromycinMetronidazolePivampicillinDrug Therapy, CombinationDrug Resistance, BacterialHaemophilus influenzaebeta-LactamasesHelicobacter pyloribeta-LactamsContraceptives, OralTetracyclineDrug Resistance, MicrobialHelicobacter InfectionsPenicillin GOmeprazole2-PyridinylmethylsulfinylbenzimidazolesCephalosporinsProbenecidPenicillanic AcidStreptococcus pneumoniaeDrug Resistance, Multiple, BacterialCephalexinOtitis MediaCefuroximeChloramphenicolTrimethoprimGentamicinsPenicillin VAnti-Infective AgentsSulfamethoxazoleFurazolidoneAnti-Ulcer AgentsContraceptives, PostcoitalEnterococcus faecalisLansoprazolePenicillin-Binding ProteinsTrimethoprim-Sulfamethoxazole CombinationLactamsHaemophilus InfectionsCefaclorContraceptives, Oral, CombinedCefotaximeEscherichia coliEnterobacteriaceaeAdministration, OralDrug CombinationsContraceptives, Oral, HormonalGram-Positive Bacterial InfectionsRabeprazolePenicillinaseUrinary Tract Infectionsbeta-Lactam ResistanceR FactorsCyclacillinBacterial InfectionsAzithromycinCeftriaxoneCloxacillinColony Count, MicrobialBacteria, AnaerobicBismuthNitrofurantoinOfloxacinKlebsiellaCiprofloxacinMoraxella (Branhamella) catarrhalisFecesAntibiotic ProphylaxisBacteriaEnterococcus faeciumCefiximePneumococcal InfectionsDysentery, BacillaryProton Pump InhibitorsEndocarditis, BacterialContraception, PostcoitalSulfisoxazoleTalampicillinAza CompoundsCarbenicillinDNA, BacterialErythromycinCephaloridineStreptococcal InfectionsSuspensionsRespiratory Tract InfectionsLevofloxacinDrug SynergismTreatment Outcome