This is a multicentre, prospective, non-interventional study that aims to describe the treatment patterns of in Atopic dermatitis (AD) patients aged 6 months to 11 years old in Spain: patients' characteristics, disease characteristics, prior treatments for and treatment prescription modalities. As well as to document the real-world effectiveness and safety of dupilumab during the two years of follow up. No diagnostic or therapeutic intervention outside of routine clinical practice will be applied.