Red Facial Rashes Flashcards
what is seborrheic dermatitis?
inflammatory reaction to malassezia yeast that thrives on seborrheic skin
what do skin lesions look like in seborrheic dermatitis?
erythematous scaling patches
where do patches occur in seborrheic dermatitis?
scalp, hairline, eyebrows eyelids central face nasolabial folds external auditory cancls central chest
what part of the chest is affected with seborrheic dermatitis?
central chest
what can happen to skin color in seborrheic dermatitis?
can become hypopigmented
what is the bug in seborrheic dermatitis?
malassezia
how to treat seborrheic dermatitis? 2 options
low potency steroid or ketoconazole cream
if an infant comes in with diffues yellowish greasy scaling on scalp…what do they have? what causes it ?
infantile seborrheic dermatitis..cradle cap
caused by malassezia too
what is rosacea?
reddening of the mid face including the nose and cheeks mainly
what should not be there in rosacea?
comedones
what does skin look like in rosacea?
erythema wth telangiectasias and maybe some papules or pustules
what is a more severe form of rosacea that can occur?
rhinophyma.
what is rhinophyma?
dermal and sebaceous gland hyperplasia in rosacea
what three things often cause rosacea to flare?
alcohol
sunlight
hot/spicy foods
what is treatment for rosacea?
long term use of metronidazole of sulfur cleansers
plus
oral antibiotics for pustular and papular types