What is the difference between baby allergies and eczema?

Eczema is a kind of allergy. Allergic skin diseases include eczema. Although eczema is an allergic skin disease, the allergen cannot be identified. Eczema generally causes skin symptoms, leading to itching of the skin and the appearance of red rashes. The allergen of allergy is It can be identified and can cause allergies to multiple organs and symptoms in various systems.