Atopic dermatitis (eczema)

Risk factors:
Family history of atopy (eczema, asthma, allergic rhinitis)
Mutation in filaggrin gene

Clinical features:
Acute: pruritic, erythematous patches & papules
Infant: extensor surfaces, trunk, face
Child/adult: flexural creases
Chronic: lichenified plaques

Treatment / management:
Topical emollients
First line: topical corticosteroids
Second line: topical calcineurin inhibitors (eg, pimecrolimus)

Complication: Secondary infection
Impetigo (eg, Staphylococcus aureus)
Eczema herpeticum (ie, herpes simplex virus)

Prognosis:
Chronic with intermittent flares in early childhood
Usually resolves by adulthood