Prospective Randomized Trial of Bactrim on 7 Day Outcome in Patients With Uncomplicated Abscesses

Inclusion Criteria: * Inclusion criteria include all patients age 16 and older who present to the emergency department with a skin abscess that requires incision and drainage. Exclusion Criteria: * Exclusion criteria include patients with diabetes, HIV, cancer or other immunocompromised patients. * Additionally, any patients who received antibiotics within one week of presentation or were hospitalized in previous month will be excluded to minimize potential confounding variables. * Pregnant and breastfeeding patients will also be excluded due to possible safety concerns with antibiotic treatment. * Patients with abscesses on face, perirectal, or perianal regions, abscesses with known tracks or fistulas to deeper structures, or abscesses requiring surgical drainage in an operating room are excluded. * Patients with fever or evidence of systemic infection * Finally, patients with sulfa allergy will be excluded.