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Difficulty: EasyNeonatal Disorders

A mother brings her 3-week-old male infant to the outpatient clinic due to a facial rash that began five days ago. The infant was delivered vaginally at 40 weeks of gestation without any peripartum complications. He is exclusively breastfed, has normal bowel movements, and is steadily gaining weight. His temperature is 37.1°C (98.8°F). Physical examination reveals scattered erythematous papules and small pustules localized exclusively to the forehead, cheeks, and chin. There are no comedones present, and the remainder of the physical examination is unremarkable. Which of the following is the most appropriate management for this patient?

  1. A
    Application of topical mupirocin
  2. B
    Initiation of oral erythromycin
  3. Reassurance and gentle cleansing with waterAnswer
  4. D
    Application of high-potency topical corticosteroids
  5. E
    Intravenous acyclovir therapy

Answer

Reassurance and gentle cleansing with water
The correct management for this patient is reassurance and gentle cleansing. This infant's presentation of erythematous papules and pustules on the face at 3 weeks of age, coupled with the notable absence of comedones, is the classic description of neonatal cephalic pustulosis (often colloquially called 'neonatal acne'). This condition is thought to be an inflammatory reaction to Malassezia species colonization. Because it is completely benign and self-resolving, mild cases require no pharmacologic intervention. Parents should simply be advised to wash the infant's face daily with mild soap and water.

Step-by-Step Solution

1
Analyze the patient's age and clinical presentation.
The patient is a healthy 3-week-old infant with inflammatory papules and pustules on the face, without comedones.
Identifying the timing of onset and specific lesion morphology is critical for differentiating neonatal rashes.
2
Formulate a diagnosis based on the clinical findings.
The findings are diagnostic of neonatal cephalic pustulosis.
The absence of comedones distinguishes this from infantile acne, and the healthy systemic state rules out infectious etiologies.
3
Determine the appropriate management for the diagnosed condition.
The management consists of reassurance and daily washing with gentle soap and water.
Neonatal cephalic pustulosis is a benign, self-limiting condition resulting from an inflammatory reaction to Malassezia species.

Key Concept

Neonatal cephalic pustulosis typically presents at around 3 weeks of age with facial papules and pustules without comedones. It is a benign, self-limited condition that requires only reassurance and gentle cleansing.
Estimated Time:45s
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Topics

Neonatal Disorders

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