Diagnosis
-must include: pruritis, relapsing dermatitis and personal or family history of atopic disease
-may also include three of the following:
-xerosis
-keratosis pilaris
-skin test positivity
-increased serum IgE
-tendency toward HSV and S. aureus infections 
-recurrent conjunctivitis 
-Dennie- Morgan lines/ allergic shiners
-anterior subcapsular cataracts
-intolerance to wool
-white dermatographism