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Guidelines
Pathogens
Antimicrobials
Continue IV antibiotic therapy for at least two weeks (GBS and Listeria) or three weeks (Gram negative bacteria) until CSF cultures are sterile
Ampicillin IV
AND
Gentamicin IV
Cefotaxime IV
Reassess therapy based on culture and antibiotic susceptibility result
Group B Streptococcus
Discontinue aminoglycoside when clinically stable and CSF is sterile
Gram negative organism
Discontinue aminoglycoside after two weeks and complete course with cefotaxime alone