Seborrhoeic Dermatitis

Seborrhoeic Dermatitis

·        Scalp, eyebrows and nasal labial folds.  Cradle cap in babies whose scalp was clear at birth

·        Red, greasy scale, sharply circumscribed

·        In kids = another presentation of atopic. Treat the same.  Differential: Infantile psoriasis

·        In adults = allergy to yeast (Pityrosporum ovale) which arrive with grease gland activation at puberty

·        Differential:

o  Psoriasis.  But doesn‟t often affect the face

o  Discoid, and other forms of eczema

o  Pityriasis rosea (usually on trunk and not on the face)

o  Fungal infection: annular, scaling isn‟t greasy