IntroductionNeonatal pustular eruptions encompass a group of disorders characterized by various forms of pustulosis occurring within the first four weeks of life. The differential diagnosis for these eruptions can be quite extensive, presenting significant diagnostic challenges even for experienced physicians. It is critical to consider potentially life-threatening conditions, such as herpes simplex virus infections, among the infectious causes. Among non-infectious entities, erythema toxicum neonatorum, transient neonatal pustular melanosis, and miliaria pustulosa are the most common.Knowing the typical and less common clinical presentation, diagnostic criteria, can aid in making the correct diagnosis and avoid unnecessary investigations and referrals.