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| Fig. 21.3 Neonatal acne. Follicular-based papules and pustules in a neonate. |
Yes. Neonatal acne occurs in up to 20% of newborns; it usually develops during weeks 2 to 4 of life (Fig. 21-3). It is more common in males, is relatively mild, and regresses spontaneously in most infants by age 6 months. It is thought to be due to maternal androgens and is not associated with significant scarring or an increased incidence of acne in later life. Infantile acne usually begins between the third and sixth months of life and may persist to age 5 and rarely longer. It is uncommon and occurs more often in males. It can be severe, with nodules, cysts, and significant residual scarring. Endocrine abnormalities and virilizing tumors can be associated. Some studies show an increased incidence of severe acne in later life.
