Spectrum: Local Antimicrobial Stewardship, for Bakersfield Memorial Hospital

Haemophilus influenzae

General Susceptibility

  • Second & third generation cephalosporins

  • Amoxicillin-clavulanate

  • Clarithromycin/azithromycin

  • Doxycycline

For invasive infections, prefer ceftriaxone as empiric therapy until susceptibilities provided - then use ampicillin

Variable susceptibility to:

  •  Amoxicillin/ampicillin (via beta-lactamase),

  •  TMP-SMX

Resistant to first generation cephalosporins.