Haemophilus influenzae

Antibiotic
% Susceptible
2010
% Susceptible
2012
% Susceptible
2014
% Susceptible
2016
% Susceptible
2018
Ampicillin
+/-
 +/- +/- +/- +/-
Azithromycin
+
 +
+
 + +
Aztreonam
+
 +
+
 + +
Cefazolin
Cefepime
+
 +
+
+ +
Ceftazidime
+
 +
+
 + +
Ceftriaxone
+
 +
+
 + +
Cefuroxime
+
 +
+
+ +
Ciprofloxacin
+
 +
+
 + +
Clarithromycin
+
 +
+
 + +
Clindamycin
-
 -
-
 - -
Doxycycline
+
 +
+
 + +
Erythromycin
+/-
 +/-
+/-
 +/- +/-
Gentamicin
+
 +
+
 + +
Imipenem
+
 +
+
 + +
Levofloxacin + + + + +
Meropenem + + + + +
Moxifloxacin + + + + +
Nitrofurantoin & & & & &
Oxacillin/Naf - - - - -
Penicillin - - - - -
Piperacillin +/- +/- +/- +/- +/-
Piperacillin/tazo + + + + +
Ticarcillin/Clav + + + + +
Tobramycin + + + + +
TMP/SMX +/- +/- +/- +/- +/-
Unasyn/Aug + + + + +
Vancomycin - - - - -
       
# Tested Sanford Guide data Sanford Guide data Sanford Guide data Sanford Guide data Sanford Guide data

Comments:   Participating labs test only for presence of beta-lactamase.

 

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