Management of MRSA-Positive Skin Infections in Children

Introduction to Treatment

The Infectious Diseases Society of America recommends mupirocin 2% topical ointment for children with minor skin infections such as impetigo and secondarily infected skin lesions, applied three times daily for 5-10 days 1, 2, 3
For a child with small patches of dry, flaky rash on the abdomen and chest that is MRSA-positive, topical mupirocin 2% ointment is the treatment of choice 1, 2, 3

The presentation of small patches of dry, flaky rash represents a minor, localized superficial infection without evidence of deeper tissue involvement, purulent drainage, or systemic illness, which does not meet criteria for complicated skin and soft tissue infection requiring systemic antibiotics 1, 3
The American Academy of Pediatrics and the Infectious Diseases Society of America guidelines support the use of topical therapy for minor, localized MRSA skin infections 1, 2, 3

Systemic antibiotics are indicated if the infection worsens or fails to respond to topical therapy, or if there are signs of severe or extensive disease, rapid progression, signs of systemic illness, immunosuppression, significant comorbidities, extremes of age, or difficult-to-drain locations 1, 3, 4
The Infectious Diseases Society of America recommends oral antibiotics such as clindamycin or trimethoprim-sulfamethoxazole plus amoxicillin for the treatment of MRSA skin infections that require systemic therapy 1, 2, 4

The treatment duration for uncomplicated MRSA skin infections is 5-10 days, adjusted based on clinical response 1, 2, 3
Clinical response should be monitored within 48-72 hours of initiating topical therapy, and systemic antibiotics should be considered if there is no improvement 1, 5

The Centers for Disease Control and Prevention recommend keeping affected areas covered with clean, dry bandages, regular handwashing with soap and water or alcohol-based hand sanitizer, avoiding sharing personal items, cleaning high-touch surfaces regularly, and evaluating household contacts for signs of infection 1, 2, 4, 5