Antibiotics Versus Placebo in the Treatment of Abscesses in the Emergency Department

Inclusion Criteria: * Age 3 months to 17 years * Single, localized soft tissue abscesses requiring incision and drainage with purulent material obtained * Diameter of the abscess less than 5cm as measured by the treating physician Exclusion Criteria: * Signs of systemic illness or ill-appearing, as determined by the treating physician * Admission to the hospital following treatment in the Emergency Department * Known sulfa allergy * Immunocompromised patients * Soft tissue abscesses involving the perineum (labia, scrotum, penis, perirectal) * Previous antibiotic use (for any reason) in the past seven days * Non-English speaking patients and families