What is the differential diagnosis of a pustular eruption in a neonate?

• Erythema toxicum neonatorum
• Transient neonatal pustular melanosis
• Incontinentia pigmenti (more commonly vesicular)
• Neonatal acne
• Miliaria pustulosa
• Staphylococcal infection
• Herpes simplex (more commonly vesicular)
• Candidiasis
• Congenital syphilis