TrimethoprimTrimethoprim ResistanceSulfamethoxazoleTrimethoprim-Sulfamethoxazole CombinationAnti-Infective Agents, UrinaryFolic Acid AntagonistsClinical Trials as TopicTetrahydrofolate DehydrogenaseSulfadiazineAnti-Bacterial AgentsMicrobial Sensitivity TestsR FactorsDrug Resistance, MicrobialUrinary Tract InfectionsEscherichia coliAnti-Infective AgentsIntegronsDrug CombinationsSulfisoxazoleDrug Resistance, BacterialEnterobacteriaceaeDrug Resistance, Multiple, BacterialConjugation, GeneticPneumonia, PneumocystisDapsonePneumocystis jiroveciiDouble-Blind MethodTetracyclineShigellaBacteriuriaAmpicillinClinical Trials, Phase III as TopicPentamidineEscherichia coli InfectionsStreptomycinDNA, BacterialChloramphenicolShigella sonneiResearch DesignTime FactorsTreatment OutcomeSulfonamidesDrug SynergismPlasmidsClinical Trials, Phase II as TopicDrug Therapy, CombinationChloramphenicol ResistanceEnterobacteriaceae InfectionsClinical Trials, Phase I as TopicNitrofurantoinControlled Clinical Trials as TopicPyrimidinesCiprofloxacinProteusAtovaquoneRifampinShigella boydiiLactobacillus caseiKlebsiella