TONSILLOPHARYNGITIS

Bacterial Pathogen

Group A Streptococcus (Streptococcus pyogenes)

10 days

Penicillin VK 25-50 mg/kg per day divided bid-qid

Amoxicillin 40-50 mg/kg per day divided bid-tid

OR

Cephalexin 25-100 mg/kg per day divided bid-qid

OR, IF SUSCEPTIBLE

Clindamycin 10-40 mg/kg per day divided tid-qid

OR

Azithromycin (5d)
Day 1: 10 mg/kg per day
Day 2-5: 5 mg/kg per day q24h

OR

Clarithromycin 15 mg/kg per day divided bid

Clindamycin and macrolides may be less effective due to potential for resistance.