CiprofloxacinAnti-Infective AgentsFluoroquinolonesMicrobial Sensitivity TestsAnti-Bacterial AgentsQuinolonesOfloxacinDrug Resistance, BacterialDNA GyraseQuinolinesLevofloxacinDrug Resistance, MicrobialNorfloxacinGuanidineDNA Topoisomerase IVAza CompoundsNalidixic AcidTrimethylsilyl CompoundsPefloxacin4-QuinolonesPseudomonas aeruginosaDrug Resistance, Multiple, BacterialEnoxacinAdministration, OralFleroxacinGram-Negative BacteriaTabletsGuanidinesStaphylococcus aureusGram-Positive BacteriaPseudomonas InfectionsGram-Negative Bacterial InfectionsDNA Topoisomerases, Type IIGonorrheaCeftriaxoneSalmonella paratyphi ADelayed-Action PreparationsCeftazidimeEscherichia coliStreptococcus pneumoniaeDrug Therapy, CombinationNeisseria gonorrhoeaeSalmonella typhiTyphoid FeverColony Count, MicrobialBacteria, AerobicUrinary Tract InfectionsDrug InteractionsProtein DenaturationDose-Response Relationship, DrugBacterial InfectionsChemistry, PharmaceuticalHalf-LifeChromatography, High Pressure LiquidBacteria, AnaerobicArea Under CurveGentamicinsRifampinTrimethoprim-Sulfamethoxazole CombinationDrug StabilityBiological AvailabilityParatyphoid FeverImipenemInjections, IntravenousAmikacinEye Infections, BacterialBacteremiaBacteriaAzithromycinStaphylococcal InfectionsTetracyclineSerum Bactericidal TestAmpicillinKlebsiella pneumoniaeEscherichia coli InfectionsSalmonella InfectionsCefuroximeCefotaximeCephalosporinsEnterobacteriaceaeNitrofurantoinPiperacillinAzlocillinCapsulesMutationTopoisomerase II InhibitorsThienamycinsPenicillin ResistanceVancomycinDrug CompoundingTime FactorsErythromycinDNA, BacterialTrimethoprimDry Powder InhalersPenicillinsHydrogen-Ion ConcentrationKeratitisDoxycyclineDouble-Blind Method