AmoxicillinAmpicillinMethemoglobinemiaAmpicillin ResistanceMethylene BlueAnti-Bacterial AgentsPenicillinsAmoxicillin-Potassium Clavulanate CombinationMicrobial Sensitivity TestsToxicity TestsClavulanic AcidSulbactamPenicillin ResistanceSister Chromatid ExchangeIntestinal NeoplasmsClavulanic AcidsClarithromycinMetronidazolePivampicillinDrug Resistance, BacterialDrug Therapy, CombinationHaemophilus influenzaebeta-LactamasesAdministration, OralHelicobacter pyloribeta-LactamsMutagensTetracyclineDrug Resistance, MicrobialHelicobacter InfectionsPenicillin GOmeprazoleRats, Inbred F344Anemia2-PyridinylmethylsulfinylbenzimidazolesCephalosporinsCricetulusProbenecidPenicillanic AcidStreptococcus pneumoniaeDrug Resistance, Multiple, BacterialCephalexinIntestine, SmallLymphomaOtitis MediaMice, Inbred StrainsCefuroximeChloramphenicolTrimethoprimGentamicinsPenicillin VAnti-Infective AgentsSulfamethoxazoleFurazolidoneAnti-Ulcer AgentsEnterococcus faecalisLansoprazolePenicillin-Binding ProteinsTrimethoprim-Sulfamethoxazole CombinationLactamsHaemophilus InfectionsCefaclorNeoplasms, ExperimentalCefotaximeEscherichia coliEnterobacteriaceaeChromosome AberrationsGram-Positive Bacterial InfectionsRabeprazolePenicillinaseUrinary Tract Infectionsbeta-Lactam ResistanceR FactorsCyclacillinBacterial InfectionsAzithromycinCeftriaxoneCloxacillinColony Count, MicrobialBacteria, AnaerobicBismuthNitrofurantoinDrug CombinationsOfloxacinKlebsiellaCiprofloxacinMoraxella (Branhamella) catarrhalisFecesAntibiotic ProphylaxisBacteriaEnterococcus faeciumCefiximePneumococcal InfectionsDysentery, BacillaryProton Pump InhibitorsEndocarditis, BacterialSulfisoxazoleTalampicillinAza CompoundsCarbenicillin