A 6-month-old infant had itchy erythematous papules and exudative lesions on the scalp, face, groins and axillae for one month. She also had vesicular lesions on the palms. The most likely diagnosis is –

Information in this question are :- 6 months old infant Erythematous papules → papulovesicular lesions Vesicular lesions         → papulovesicular lesions Involvement of scalp, face, groins, axillae and Palms. Two most important diseases causing papulovesicular lesions in Infant are :- Atopic dermatitis Scabies