-
Staphlococcus epidermidis or aureus
DOC:
- Naficillin
- Oxacillin
- (Isoxazolpenicillin)
-
MRSA or MRSE
DOC:
Vancomycin +- gentamicin or +- rifampin
-
Streptococcus Pyogenes
Group A C and G
DOC:
Penicillin or amoxicillin
Alternative: Erythromycin (macrolide) or clindamycin or first gen ceph
note:clarithromycin is not recommended in pregnant women
-
Streptococcus agalactiae (group B)
DOC:
Penicillin or Ampicillin
-
Streptococcus viridans
DOC
- Penicillin +- gentamicin
- resistance may be an issue
Alt: cephalosporin or vancomycin
-
S. pneumoniae with PCN-susceptability of MIC<0.1mcg/ml
Penicillin or amoxicillin
alt: macrolide, ceph, TMP/SMX
note: 15% of cases are highly resistant
-
S. pneumoniae with PCN-susceptability of MIC 0.1-1mcg/ml
DOC: penicillin G IV
ceftriaxone (3rd)
-
S. pneumoniae with PCN-susceptability of MIC>2mcg/ml
meningitis: vancomycin + ceftriaxone or cefotaxime +- rifampin
other infections: vanco +ceftriaxone OR levofloxacin, moxifloxicin (quinolones)
-
Entercoccus faecalis
blood/skin and soft tissue
PCN G or amp + gentamicin
alt: Vancomycin +- gentamicin
-
Entercoccus faecalis
UTI uncolmplicated
Ampicillin or amoxicillin
or Nitrofurantoin
-
Enteroccus faecium
Vanco +- gent
-
Listeria monocytogenes
gram + bacilli
- Ampicillin +- gentamicin
- or TMP/SMZ
-
moraxella catarrhalis
g- cocci
cefuroxine or fluoroquinolone
not greater than 80% make B-lactamase
-
Neisseria gonorrhoeae
- Ceftriaxone
- cefixime
- (3rd generation)
-
Neisseria meningitidis
Alt: cefotaxime, ceftriaxone
- chloramphenocol (mis)
- sulfonamide
- fluoroquinolone
-
gram negative
bacilli
enterobacteriaceae
next few foo
-
E. Coli
Cefepime (4th gen) or 3rd generation ceph: (cefotaxime, ceftriaxone, ceftazidime)
-
K. pneumoniae
Cefepime (4th gen) or 3rd generation ceph: (cefotaxime, ceftriaxone, ceftazidime)
-
P. mirabilis (indole-)
Ampicillin
alt: beta lactamse combo
-
P. Vulgaris (indole +)
Cefepime (4th gen) or 3rd generation ceph: (cefotaxime, ceftriaxone, ceftazidime)
-
Providencia stuartii
Cefepime (4th gen) or 3rd generation ceph: (cefotaxime, ceftriaxone, ceftazidime)
-
Enterobacter spp.
Imipenem or meropenem (carbapenems)
-
Serratia marcescens
Imipenem or meropenem
-
-
H. influenzae
meningitis, epiglottis, arthritis and serious infections
Cefotaxime or ceftriaxone
note: 30% of strains create B lactamase
-
H. Influenzae
URI and bronchitis
TMP/SMZ
-
pseudomonas aeruginosa
- UTI: fluoroquinolone
- other infection: carboxy or ureidopenicillin
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