Failure of first line agents

- For pen (I) S. pneumoniae, amoxicillin is most active of all oral ß-lactam agents.

 
Usual Pathogens

S. pneumoniae
H. influenzae
M. catarrhalis
Group A Streptococci
S. aureus

 

Empiric Therapy Dose Duration
Amoxicillin-clavulanate 875mg PO bid 10 days

Nonsevere penicillin allergy

Empiric Therapy Dose Duration
Cefuroxime axetil 500mg PO bid 10 days

Severe penicillin allergy or cephalosporin allergy

Empiric Therapy Dose Duration
Levofloxacin 750mg PO daily 10 days