Seborrheic Dermatitis Flashcards
Seborrheic Dermatitis.
Clinical Feature. Symp.
greasy, erythematous, yellow, scaling, minimally elevated papules and plaques in areas rich in sebaceous
glands, can look moist and superficially eroded in flexural regions
Seborrheic Dermatitis. In infants
infants: “cradle cap”
Seborrheic Dermatitis. Children
children: may be generalized with flexural and scalp involvement
Seborrheic Dermatitis. adults
• adults: diffuse involvement of scalp margin with yellow to white flakes, pruritus, and underlying
erythema
Seborrheic Dermatitis
sites:
scalp, eyebrows, eyelashes, beard, glabella, post-auricular, over sternum, trunk, body folds,
genitalia
Seborrheic Dermatitis
Pathophysiology
possible etiologic association with Malassezia spp. (yeast)
Seborrheic Dermatitis
Epidemiology. Coomorbidities
common in infants and adolescents
• increased incidence and severity in immunocompromised patients and Parkinson disease
• in adults can cause dandruff(pityriasis sicca)
Seborrheic Dermatitis. Management. face:
ketoconazole (Nizoral®) cream daily or bid and/or mild steroid cream daily or bid
Seborrheic Dermatitis. scalp
salicylic acid in olive oil or Derma-Smoothe FS® lotion (peanut oil, mineral oil, fluocinolone
acetonide 0.01%) to remove dense scales, 2% ketoconazole shampoo (Nizoral®), ciclopirox (Stieprox®)
shampoo, selenium sulde (e.g. Selsun®) or zinc pyrithione (e.g. Head and Shoulders®) shampoo, steroid
lotion (e.g. betamethasone valerate 0.1% lotion bid)