Most likely pathogens
Usual Dose: Amoxicillin 15-20 mg/kg/dose PO TID Maximum: 4 g/24h (Usual maximum adult dose for CAP is 1g PO q8h)
OR
High Dose: Amoxicillin 25-30 mg/kg/dose PO TID Maximum: 4 g/24h (Usual maximum adult dose for CAP is 1g PO q8h)
If the patient has NOT had a previous IgE mediated reaction: Cefprozil 15 mg/kg/dose PO BID Maximum: 1 gram/24h
Clarithromycin 7.5 mg/kg/dose PO BID Maximum: 1 gram/24h
Note: macrolides have a higher incidence of pneumococcal resistance so if used ensure careful follow up