Tip 125: neonatal pustular melanosis

Neonatal pustular melanosis is a transient, benign, self-limited condition of unknown aetiology.

This starts as small (2-4mm) pustules that rupture easily, though may persist for several days on the thicker areas of skin.

A thin white scale remains around each denuded pustule, and a brown hyperpigmented macule appears within hours.

These are found on the neck, upper chest, back, and buttocks. Occasionally, the palms, soles, and scalp are affected.

Reference: Silverman RA. ‘Neonatal pustular melanosis’ Medscape. Sept 2012 (this link also contains a picture of the condition).

First published: 16/06/15

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