Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/21/2025

Management of Follicular Pustules

Initial Management Approach

  • The primary treatment for larger lesions is incision and drainage, while small furuncles can be managed with moist heat application, according to the Infectious Diseases Society of America 1, 2
  • Apply moist heat to the affected area 3-4 times daily to promote spontaneous drainage, as recommended by the Infectious Diseases Society of America 1, 3
  • Avoid manipulation or squeezing of lesions to prevent secondary bacterial spread, as advised by the Infectious Diseases Society of America 3
  • Perform incision and drainage for larger furuncles, which is the definitive treatment, according to the Infectious Diseases Society of America 1, 2

When to Add Systemic Antibiotics

  • Systemic antibiotics are indicated when specific criteria are met, such as temperature >38°C, tachycardia >90 beats per minute, or extensive surrounding cellulitis, as recommended by the Infectious Diseases Society of America 1, 2
  • The Infectious Diseases Society of America recommends considering MRSA coverage in patients with treatment failure or known MRSA colonization 2

Management of Recurrent Folliculitis

  • Implement a 5-day decolonization regimen with intranasal mupirocin twice daily to reduce recurrences, as recommended by the Infectious Diseases Society of America 2, 3
  • Daily chlorhexidine body washes and decontamination of personal items can also help reduce recurrences, according to the Infectious Diseases Society of America 2, 3
  • Apply mupirocin ointment twice daily in the anterior nares for the first 5 days of each month for long-term suppression, as recommended by the Infectious Diseases Society of America 1, 3

Critical Pitfalls to Avoid

  • Do not prescribe systemic antibiotics for simple furuncles without systemic signs, as this promotes antibiotic resistance without improving outcomes, according to the Infectious Diseases Society of America 1, 2
  • Do not rely on aspiration alone, as studies show aspiration is successful in only 25% of cases overall and <10% with MRSA infections, as reported by the Infectious Diseases Society of America 2
  • Culture recurrent or treatment-resistant lesions to identify causative organisms and guide antibiotic selection, as recommended by the Infectious Diseases Society of America 2, 3