S. pneumoniae

Penicillin Susceptible

Therapy Dose Duration
Penicillin G 2MU IV q4h 5 days
or    
Amoxicillin 1g PO tid 5 days

Penicillin Intermediate/Resistant

Therapy Dose Duration
Ceftriaxone 1-2g IV q24h 5 days
or    
Levofloxacin 750mg IV/PO daily 5 days