Treatment of Staphylococcus aureus Infections in Children in Office Practice

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Abstract
• One hundred five Staphylococcus aureus infections occurring in 79 children who were seen in a private office practice were evaluated for response to antibiotic therapy. The value of in vitro disk susceptibility testing in directing antibiotic selection in treatment failures was also examined. Of the total episodes studied, the types of infection studied included vesicular pyoderma (48%), secondary pyoderma (13%), bullous pyoderma (5%), furunculosis (14%), carbunculosis (12%), cellulitis (3%), suppurative otitis media (4%), and paronychia (2%). Comparable treatment efficacy was obtained with perioral erythromycin estolate and erythromycin ethylsuccinate, cefaclor and cephalexin, and clindamycin hydrochloride and dicloxacillin sodium. Penicillin V potassium, ampicillin, and topical bacitracin were generally ineffective. In 23 patients, 27/105 infections were initial treatment failures. Antibiotic disk susceptibility testing predicted these clinical failures and/or the antibiotic that would produce a clinical response in 21 of these 23 patients, suggesting that this office procedure can be of considerable value. (Am J Dis Child 1983;137:361-364)