AmpicillinAmpicillin ResistanceSulbactamAnti-Bacterial AgentsMicrobial Sensitivity TestsPivampicillinPenicillinsPenicillin ResistanceHaemophilus influenzaeDrug Resistance, Microbialbeta-LactamasesChloramphenicolGentamicinsTrimethoprimPenicillin GSulfamethoxazolePenicillinaseR FactorsDrug Resistance, BacterialTetracyclineEscherichia coliPenicillanic AcidCloxacillinCephalosporinsEnterococcus faecalisCephalexinAmoxicillinbeta-LactamsEnterococcus faeciumDysentery, BacillaryEnterobacteriaceaeProbenecidDrug Resistance, Multiple, BacterialCarbenicillinTalampicillinCephaloridineGram-Positive Bacterial InfectionsFecesShigellaKlebsiellaDrug Therapy, CombinationAdministration, OralTrimethoprim-Sulfamethoxazole CombinationConjugation, GeneticHaemophilus InfectionsNitrofurantoinProteusPenicillin VEnterococcusShigella sonneiCefamandoleCephalothinSalmonella InfectionsSalmonellaCeftriaxoneDNA, BacterialMeningitisStreptomycinPenicillin-Binding ProteinsCefotaximeMeningitis, HaemophilusDrug SynergismAnti-Infective AgentsTime FactorsCefuroximeChloramphenicol ResistanceKanamycinEscherichia coli InfectionsNalidixic AcidClavulanic AcidsPlasmidsCephalosporinaseMeningitis, ListeriaLactamsSalmonella typhiInjections, IntramuscularBacteriaMezlocillinUrinary Tract InfectionsEnterobacterTyphoid FeverAmoxicillin-Potassium Clavulanate CombinationRadiation DosageCiprofloxacinLethal Dose 50Culture MediaDrug CombinationsEndocarditis, BacterialDrug Administration ScheduleVancomycinAmdinocillin PivoxilCefazolinBacterial InfectionsHalf-LifeShigella dysenteriaebeta-Lactam ResistanceAmdinocillinMuramoylpentapeptide CarboxypeptidaseExtrachromosomal InheritanceSulfisoxazole