Spectrum: Local Antimicrobial Stewardship, for Billings Clinic

Pharyngitis (Pediatric)

First Line Treatment

Penicillin VK
≤ 27 kg: 250 mg q8-12h x 10 days
> 27 kg: 500 mg q8-12h x 10 days

OR

Amoxicillin 50 mg/kg daily x 10 days

OR

Benzathine Penicillin
≤ 27 kg: 600,000 units IM x 1 dose
> 27 kg: 1.2 million units IM x 1 dose

Penicillin Allergy: Non-Type I

Cephalexin 40 mg/kg/day in 2 divided doses x 10 days (up to 500 mg BID)

Penicillin Allergy: Type I

Clindamycin 21 mg/kg/day in 3 divided doses x 10 days (up to 300 mg TID)

OR

Azithromycin 12 mg/kg (maximum 500 mg/dose) on day 1 followed by 6 mg/kg/dose (maximum 250 mg/dose) once daily on days 2 through 5