Penicillin plus Ceftriaxone versus Ampicillin plus Ceftriaxone Synergistic Potential against Clinical Enterococcus faecalis Blood Isolates
Jaclyn A. Cusumano, Ruhma Khan, Zeel Shah, Cassie Philogene, Amrita Harrichand, Vanthida Huang
Abstract
Penicillin plus ceftriaxone demonstrates similar synergistic activity against Enterococcus faecalis to ampicillin plus ceftriaxone. Isolates with a penicillin MIC of 4 mg/L and a ceftriaxone MIC of 512 or higher, lack penicillin plus ceftriaxone synergy despite the penicillin susceptibility MIC breakpoint of 8 mg/L.
Topics & Concepts
CeftriaxonePenicillinAmpicillinEnterococcus faecalisMicrobiologyMedicineAntibioticsBiologyBacteriaStaphylococcus aureusGeneticsInfective Endocarditis Diagnosis and ManagementStreptococcal Infections and TreatmentsAntimicrobial Resistance in Staphylococcus