Staphylococcus aureus, methicillin resistant    (2018 Data)

Antibiotic
% Susceptible
 
Antibiotic
% Susceptible
Ampicillin
0
  Imipenem
-
Azithromycin
-
  Levofloxacin
20
Aztreonam
-
  Meropenem
-
Cefazolin
0
  Moxifloxacin
81
Cefepime
-
  Nitrofurantoin
99&
Ceftazidime
-
  Oxacillin/Naf
0
Ceftriaxone
0
  Penicillin
0
Cefuroxime
-
  Piperacillin
-
Ciprofloxacin
18
  Piperacillin/tazo
-
Clarithromycin
-
  Ticarcillin/Clav
-
Clindamycin
86
  Tobramycin
-
Doxycycline
94
  TMP/SMX
100
Erythromycin
8
  Unasyn/Aug
0
Gentamicin
-
  Vancomycin
100
 
   

Number of isolates tested: 775

Comments:   38% of Staphylococcus aureus isolates in 2018 were methicillin resistant (may include duplicates).

For historical susceptibility data click here

Numeric data represent local susceptibility data.
(+) = usually effective or >60% susceptible; (+/-) = clinical trials lacking or 30-60% susceptible; (-) = not effective clinically or <30% susceptible - Adapted with permission from The Sanford Guide to Antimicrobial Therapy
(*) Local (non-Sanford Guide) opinion
(S) = synergistic with penicillin/ampicillin;
(&) nitrofurantoin only useful for lower tract urinary tract infections