Clavulanic AcidAmoxicillinAmoxicillin-Potassium Clavulanate CombinationMethemoglobinemiaPotassiumClavulanic AcidsAnti-Bacterial AgentsMethylene BluePenicillinsMicrobial Sensitivity Testsbeta-LactamasesPotassium Channelsbeta-LactamsPenicillanic AcidToxicity TestsSulbactamDrug Therapy, CombinationClarithromycinOtitis MediaMetronidazoleAmpicillinSister Chromatid ExchangeIntestinal NeoplasmsDrug Resistance, BacterialStreptococcus pneumoniaePenicillin ResistanceHelicobacter pyloribeta-Lactam ResistanceHaemophilus influenzaeHelicobacter InfectionsTicarcillinAdministration, OralOmeprazoleCefuroxime2-PyridinylmethylsulfinylbenzimidazolesAzithromycinLactamsCephalosporinsPotassium Channel BlockersPotassium Channels, Inwardly RectifyingPotassium, DietaryCefotaximeAnti-Ulcer AgentsMutagensPotassium DeficiencyPiperacillinPotassium Channels, Voltage-GatedLansoprazoleBacteria, AnaerobicPotassium CompoundsCommunity-Acquired InfectionsRespiratory Tract InfectionsFurazolidoneAnti-Infective AgentsDrug Resistance, MicrobialEnterobacteriaceaeThienamycinsActinomycetaceaeRats, Inbred F344Moraxella (Branhamella) catarrhalisCricetulusBronchitis, ChronicAnemiaDrug Resistance, Multiple, BacterialRabeprazoleHaemophilus InfectionsBacterial InfectionsPotassium IsotopesCephalosporinaseIntestine, SmallMice, Inbred StrainsBismuth