Table 4.2: Comparative Activities of Commonly Used β-Lactams Against Streptococcus pneumoniae With Different Levels of Penicillin Susceptibility

Tables & Figures

Tables

Table 4.2: Comparative Activities of Commonly Used β-Lactams Against Streptococcus pneumoniae With Different Levels of Penicillin Susceptibility

Agent	Penicillin MIC
Agent	≤0.06 microgram/mL	0.12–1 microgram/mL	2 microgram/mL	≥4 microgram/mL
Penicillin V	+++	+	−	−
Penicillin G	+++	+++	++	±
Ampicillin P.O.	+++	++	±	−
Ampicillin I.V.	+++	+++	++	±
Amoxicillin P.O.	+++	++	+	−
Piperacillin	+++	++	+	−
Ticarcillin	++	+	−	−
Cefotaxime	+++	+++	++	±
Ceftriaxone	+++	+++	++	±
Cefepime	+++	++	+	±
Cefuroxime I.V.	+++	++	+	−
Cefuroxime P.O.	+++	++	±	−
Cefpodoxime	+++	++	−	−
Ceftazidime	+++	+	−	−
Cefaclor	+++	−	−	−
Cefixime/ceftibuten	+++	−	−	−
Imipenem/meropenem	+++	+++	+	−