Spectrum: Local Antimicrobial Stewardship, for Fraser Health

Dental Abscess

Likely Pathogens

Polymicrobial

Viridans streptococci

Peptostreptococcus

Prevotella

Porphyromonas

Fusobacterium

Empiric Antibiotic Options

Penicillin V 8.5 to 16.5 mg/kg PO TID

PLUS

Metronidazole* 10 mg/kg PO TID

*If spread beyond local tooth

*If liquid needed - Metronidazole benzoate 16 mg/kg PO TID

Penicillin Allergy*

Clindamycin 7 to 13 mg/kg PO TID

*Avoid all beta-lactams antibiotics (ie cephalosporins, carbapenems) if anaphylaxis to penicillin