A most characteristic feature of atopic dermatitis is -
Ans. is 'a' i.e., Extreme pruritus "Itching is severe and primary in atopic eczema, provoking a severe urge to scratch; atopic eczema is one of the most itchy disorders. It is an itch that rashes not just a rash that itches". -Venkatram
Extreme pruritus
Denny Morgan folds
Lichenification
Rash