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Erythema toxicum — RACP Paediatrics MCQ

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EasyNeonatalErythema toxicumRACP Paediatrics

A well term newborn day 2 has erythematous papules and pustules on trunk and proximal limbs. Pustules contain eosinophils on Wright stain. What is the diagnosis?

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Correct answer: A — Erythema toxicum

ETN: most common pustular eruption in newborns (~50%). Eosinophils on smear. Benign, self-limiting. Key is distinguishing from serious infections.

Reference: RCH Melbourne – 2023 – Neonatal Skin CPG