1. The definition and symptoms of neonatal eczema. Neonatal eczema refers to a skin inflammation that occurs in the newborn period, usually within the first 6 months after birth. Its main characteristics are skin redness, itching, dandruff, and blisters. In severe cases, exudation and scabs may also appear. The affected areas are mostly the face, head, neck, arms and legs. 2. Causes of eczema in newborn babies The cause of eczema in newborn babies is not yet clear, but some factors may cause it.