Strep. Groups A, B, C, G

Antibiotic Sensitivities^[1]

Organisms	'	Strep, Group A, B, C, G
Penicillins	Penicillin G	+
	Penicillin V	+
Anti-Staphylocccal Penicillins	Methicillin	+
	Nafcillin/Oxacillin	+
	Cloxacillin/Diclox.	+
Amino-Penicillins	AMP/Amox	+
	Amox/Clav	+
	AMP-Sulb	+
Anti-Pseudomonal Penicillins	Ticarcillin	+
	Ticar-Clav	+
	Pip-Taxo	+
Carbapenems	Piperacillin	+
	Doripenem	+
	Ertapenem	+
	Imipenem	+
	Meropenem	+
	Aztreonam	0
Fluroquinolones	Ciprofloxacin	+/-
	Ofloxacin	+/-
	Pefloxacin	0
	Levofloxacin	+
	Moxifloxacin	+
	Gemifloxacin	+
	Gatifloxacin	+
1st G Cephalo	Cefazolin	+
2nd G. Ceph	Cefotetan	+
	Cefoxitin	+
	Cefuroxime	+
3rd/4th G. Ceph	Cefotaxime	+
	Cefizoxime	+
	CefTRIAXone	+
	Ceftobiprole	+
	Ceftaroline	+
	CefTAZidime	+
	Cefepime	+
1st G. Ceph	Cefadroxil	+
	Cephalexin	+
2nd G. Ceph	Cefaclor/Loracarbef	+
	Cefproxil	+
	Cefuroxime axetil	+
3rd G. Ceph	Cefixime	+
	Ceftibuten	+
	Cefpodox/Cefdinir/Cefditoren	+
Aminoglycosides	Gentamicin	0
	Tobramycin	0
	Amikacin	0
	Chloramphenicol	+
	Clindamycin	+
Macrolides	Erythromycin	+/-
	Azithromycin	+/-
	Clarithromycin	+/-
Ketolide	Telithromycin	+
Tetracyclines	Doxycycline	+/-
	Minocycline	+
Glycylcycline	Tigecycline	+
Glyco/Lipoclycopeptides	Vancomycin	+
	Teicoplanin	+
	Telavancin	+
	Fusidic Acid	+/-
	Trimethoprim	+
	TMP-SMX	+
Urinary Agents	Nitrofurantoin	+
	Fosfomycin
Other	Rifampin	+
	Metronidazole	0
	Quinupristin dalfoppristin	+
	Linezolid	+
	Daptomycin	+
	Colistimethate	0

S susceptible/sensitive (usually)
I intermediate (variably susceptible/resistant)
R resistant (or not effective clinically)
S+ synergistic with cell wall antibiotics
U sensitive for UTI only (non systemic infection)
X1 no data
X2 active in vitro, but not used clinically
X3 active in vitro, but not clinically effective for Group A strep pharyngitis or infections due to E. faecalis
X4 active in vitro, but not clinically effective for strep pneumonia