[Impetigo in children: etiology and response to treatment].

Seventy seven cases of impetigo were studied in children. Group A beta hemolyticus Streptococcus was the only bacterial agent isolated from 25 culture samples, Staphylococcus aureus from 6 and both agents from 39 cases. Cultures were negative in 7 children. The clinical response to treatment with penicillin G benzathine, crust removal and skin cleansing was satisfactory in 93.5% of the cases, nonresponders (6.5%) were satisfactory treated oral with cloxacillin.