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Published on: December 15, 2011

Perianal Streptococcal Dermatitis in a Toddler: A Case Report

Rachel Summo1, Nancy Tosone2

  • 1Rachel Summo, College of Nursing, Creighton University, Omaha, NE.

Journal of Pediatric Health Care : Official Publication of National Association of Pediatric Nurse Associates & Practitioners
|July 11, 2026
PubMed

Insights

Perianal streptococcal dermatitis (PSD), a common pediatric skin infection, is often misdiagnosed. Prompt diagnosis and antibiotic treatment are crucial for rapid symptom resolution and preventing recurrence.

Area of Science:

  • Pediatric Dermatology
  • Infectious Diseases

Background:

  • Perianal streptococcal dermatitis (PSD) is an underrecognized pediatric condition.
  • It is frequently misdiagnosed, leading to delayed treatment and prolonged symptoms.

Purpose of the Study:

  • To report a case of PSD in a pediatric patient.
  • To emphasize the importance of early recognition and prompt diagnosis of PSD.

Main Methods:

  • Case report of a 2-year-old male with a persistent perianal rash.
  • Diagnostic confirmation using a rapid antigen detection test for Group A Streptococcus.

Main Results:

  • The patient presented with a 2-month history of a bright red, pruritic perianal rash unresponsive to conventional treatments.
  • Rapid antigen detection test confirmed Group A Streptococcus infection.
  • Antibiotic therapy resulted in marked rash improvement within 72 hours and complete resolution in 2 weeks.

Conclusions:

  • Early recognition of characteristic PSD features is vital.
  • Prompt diagnostic testing and antibiotic initiation are essential to prevent treatment delays and recurrence.

Keywords:
Perianal diseasedermatitisstreptococcal infections

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