E. coli
Antibiotic |
% Susceptible 2010 |
% Susceptible 2012 |
% Susceptible 2014 |
% Susceptible 2016 |
% Susceptible 2018 |
Ampicillin | 61 |
63 | 65 | 65 | 66 |
Azithromycin | - |
- | - |
- | - |
Aztreonam | 99 |
98 | 98 |
98 | 98 |
Cefazolin | 91 |
92 | 93
93 |
92 |
|
Cefepime | 98 |
98 | 98
98 |
97 |
|
Ceftazidime | 98 |
98 | 98 |
97 | 97 |
Ceftriaxone | 98 |
93 | 94 |
97 | 96 |
Cefuroxime | 95 |
95 | 96
95 |
94 |
|
Ciprofloxacin | 85 |
86 | 90 |
89 | 89 |
Clarithromycin | - |
- | - |
- | - |
Clindamycin | - |
- | - |
- | - |
Doxycycline | 79 |
82 | 83 |
+ | + |
Erythromycin | - |
- | - |
- | - |
Gentamicin | 93 |
94 | 95 |
95 | 95 |
Imipenem | 100 |
100 | 100 |
100 | 100 |
Levofloxacin | 86 | 87 | 90 | 89 | 89 |
Meropenem | + | 100 | 100 | 100 | 100 |
Moxifloxacin | + | + | + | + | + |
Nitrofurantoin | 96& | 98& | 99& | 99& | 99& |
Oxacillin/Naf | - | - | - | - | - |
Penicillin | - | - | - | - | - |
Piperacillin | 63 | 65 | 66 | + | + |
Piperacillin/tazo | 98 | 99 | 99 | 99 | 99 |
Ticarcillin/Clav | + | + | + | + | + |
Tobramycin | 93 | 94 | 95 | 95 | 95 |
TMP/SMX | 79 | 80 | 83 | 83 | 84 |
Unasyn/Aug | 64 | 64 | 69 | 70 | 69 |
Vancomycin | - | - | - | - | - |
# Tested | 5809 | 7262 | 6044 | 6129 | 6426 |
Comments: Though commonly used to treat UTI's, there is some resistance to TMP/SMX and fluoroquinolones
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
(+) = 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