CeftriaxoneCefotaximeCephalosporinsAnti-Bacterial AgentsMicrobial Sensitivity TestsMeningitis, PneumococcalCephalosporin ResistanceCefiximeGonorrheaNeisseria gonorrhoeaeStreptococcus pneumoniaebeta-LactamsPenicillin ResistanceExcitatory Amino Acid Transporter 2PenicillinsMeningitisCefuroximeDrug Resistance, BacterialLactamsInjections, IntravenousMeningitis, HaemophilusInjections, IntramuscularHalf-LifeCiprofloxacinSerum Bactericidal TestDrug Resistance, MicrobialDrug Therapy, CombinationAmpicillinbeta-LactamasesCeftazidimeCefotiamMeningitis, BacterialAnti-Infective AgentsBacterial InfectionsNetilmicinDrug Administration ScheduleCeftizoximeSpectinomycinAzithromycinSulbactamTreatment Outcome