Red Facial Rashes Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

what is seborrheic dermatitis?

A

inflammatory reaction to malassezia yeast that thrives on seborrheic skin

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2
Q

what do skin lesions look like in seborrheic dermatitis?

A

erythematous scaling patches

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3
Q

where do patches occur in seborrheic dermatitis?

A
scalp, hairline, eyebrows
eyelids
central face
nasolabial folds
external auditory cancls
central chest
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4
Q

what part of the chest is affected with seborrheic dermatitis?

A

central chest

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5
Q

what can happen to skin color in seborrheic dermatitis?

A

can become hypopigmented

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6
Q

what is the bug in seborrheic dermatitis?

A

malassezia

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7
Q

how to treat seborrheic dermatitis? 2 options

A

low potency steroid or ketoconazole cream

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8
Q

if an infant comes in with diffues yellowish greasy scaling on scalp…what do they have? what causes it ?

A

infantile seborrheic dermatitis..cradle cap

caused by malassezia too

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9
Q

what is rosacea?

A

reddening of the mid face including the nose and cheeks mainly

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10
Q

what should not be there in rosacea?

A

comedones

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11
Q

what does skin look like in rosacea?

A

erythema wth telangiectasias and maybe some papules or pustules

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12
Q

what is a more severe form of rosacea that can occur?

A

rhinophyma.

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13
Q

what is rhinophyma?

A

dermal and sebaceous gland hyperplasia in rosacea

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14
Q

what three things often cause rosacea to flare?

A

alcohol
sunlight
hot/spicy foods

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15
Q

what is treatment for rosacea?

A

long term use of metronidazole of sulfur cleansers
plus
oral antibiotics for pustular and papular types

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16
Q

is rosacea always just erythematous cheeks and nose?

A

no…can have papules and pustules too

17
Q

if you have severe rosacea what can be considered for treatment?

A

isotretinoin

18
Q

what is a complication with rosacea?

A

ocular rosacea

19
Q

what type of rosacea is it when it is only erythematous in the perioral area?

A

perioral dermatitis

20
Q

what usually precedes perioral dermatitis? what is the other name for this?

A

steroid use…steroid rosacea

21
Q

what is treatment for steroid rosacea?

A

tetracycline or macrolide

22
Q

what does SLE rash not affect that rosacea does?

A

the nose

23
Q

what type of reaction is allergic contact dermatitis?

A

delayed type hypersensitivity

24
Q

what is treatment for allergic contact dermatitis?

A

desonide cream

25
Q

what is irritant contact dermatitis?

A

direct skin toxicity from a substance…unrelated to immune response or allergy…everyone gets it

26
Q

name some common irritant contact dermatitis causes?

A

detergents
harsh chemicals
frequent hand washing

27
Q

what age group does acne rosacea present in ?

A

30 and 40s