For invasive infections, prefer ceftriaxone as empiric therapy until susceptibilities provided - then use ampicillin
Second and third generation cephalosporins, amoxicillin-clavulanate, fluoroquinolones, clarithromycin/azithromycin, doxycycline
Variable susceptibility to amoxicillin/ampicillin (via beta-lactamase), TMP-SMX
Resistant to first generation cephalosporins.
