Dermatitis Flashcards
1
Q
Atopic Dermatitis (eczema) triggers
A
foods, soaps, detergents, fragrances, chemicals, temp changes, dusts, some bacteria, stress/emotional changes
2
Q
Atopic Dermatitis referral
A
- Intense pruritis
- large areas of the body
- < 2 y/o
- skin appears infected: yellowish crusting, pustules, or vesicles
- intertriginous involvement
- after 2 weeks of tx, sx getting worse
3
Q
Atopic Dermatitis Pharmacological
A
- hydrocortisone 1% cream/ointment applied sparingly, 3-4 times daily, for 7 days max
- add antihistamine for itch
- AVOID antihistamine in elderly, and avoid gel (contains alcohol)
4
Q
Atopic Dermatitis non-pharmacological
A
- minimize length and number of hot showers
- use hypoallergenic soap such as Cetaphil
- pat dry and apply cream moisturizer within 3 min of washing
- apply moisturizer liberally as needed
- Keep cook and humidity > 50%
- reduce stress
5
Q
What is Dermatitis
A
- inflammatory erythematous rash
- atopic dermatitis (exzema)
- seborrheic dermatitis
- contact dermatitis
- diaper dermatitis
6
Q
Atopic Dermatitis risk factors
A
- Genetic, chronic relapsing disorder
- most common derm condition in children
- affects male/female equally
- more common in urban areas
7
Q
Atopic Dermatitis diagnostic criteria
A
- Itching PLUS >/= 3 of the following:
- onset at < 2
- history of skin crease involvement
- hx of dry skin
- hx of asthma or allergic rhinitis
- 1st degree relative with atopic disease
- visible flexural dermatitis
8
Q
Common characteristics
A
- 2 months - chest/face - red, raised vesicles, dry skin, oozing
- 2 years - scalp/neck/extremities - less acute lesions, edema, erythema
- 2-4 years - neck/wrist/elbow/knee - dry, thickened plaques, hyperpigmentation
- 12-20 years - flexors/hands - dry, thick plaques, hyperpigmentation
9
Q
Hydrocortisone patient education
A
- relief of inflammation and itch
- apply 2-4x daily
- small amount of cream
- avoid face unless directed by physician, avoid eyes, do not use for longer than 7 days
10
Q
Atopic Dermatitis alternative tx
A
- monoclonal abx
- phototherapy
- coal tar
- chinese herbal tx
- probiotics
11
Q
Seborrheic dermatitis
A
- red, scaly, itchy rash
- sebaceous glands location (scalp, face, trunk)
- more severe in winter
- common in: infants, parkinson’s, Zinc deficiency, HIV
12
Q
Dandruff (compare to seborrheic derm)
A
- location: scalp
- Exacerbating factors: dry climate, but usually stable
- Appearance: think, white flakes, even distribution
- Inflammation: absent
- Epidermal hyperplasia: absent
- Cell turnover: 2x normal
- Incompletely keratinized cells: rarely > 5%
13
Q
Seborrheic dermatitis (compare to dandruff)
A
- location: head and trunk; children only - back, intertriginous areas
- exacerbating factors: mainly external factors, stress
- Appearance: macules, patches, thin plaques of yellow color, oily scales on red skin
- Inflammation: present
- Epidermal hyperplasia: present
- Cell turnover: 3x norma
- incompletely keratinized cells: 15-25%
14
Q
Seborrheic Derm referral
A
- < 2 y/o
- worsening or NO improvement after 2 weeks of proper OTC product use
15
Q
Seborrheic Derm tx infants
A
- typically self-limiting
- mild to moderate cases: massage scalp with baby oil and non-medicated shampoo
- severe cases: warm olive oil compress with salicylic acid (3-5%) followed by gentle shampoo
- severe cases: hydrocortisone 1% can be applied