What is the difference between atopic dermatitis and eczema?

Atopic dermatitis and eczema are common dermatological diseases in clinical practice, but there are also big differences between them. For example: 1. Eczema is mainly caused by allergic constitution, while atopic dermatitis is related to congenital genetic inheritance. 2. Eczema occurs mostly in children, while atopic dermatitis can occur at any age.