TABLE 1.

Differential diagnosis between infantile seborrheic dermatitis (ISD) and atopic dermatitis (AD)

Differential diagnosis
	ISD	AD
Onset	< 2–10 weeks	< 1 years
Site	Intertriginous area (axillae and inguinal folds), eyebrows, retroaruicular folds, nasolabial folds, neck	Flexural involvement (antecubital and popliteal fossae), cheeks, periorificial
Appearance	Yellow greasy scale, Salmon‐pink poorly circumscribed patch 29	Fine dry scale, red poorly circumscribed patch 29
Symptoms	Absent itch	Severe itch