NUR 4445 Integumentary System 2

NUR 4445 Integumentary System 2

• What is contact dermatitis? What is irritant contact dermatitis vs allergic contact dermatitis?

Answer

• An eczematous eruption produced by either

• Irritant

local exposure to an irritating substance (no immunologic response)

• Allergic

Answer allergic response to a sensitizing substance

• What are common irritants that cause contact dermatitis (9)?

Answer

• Soap/bubble baths

• Bleaches
• Solvents
• Acids
• Foods
• Saliva
• Urine/feces
• Intestinal secretions

- DIAPERS IN INFANTS

• How does allergic contact dermatitis happen?

Answer

• Type immunologic reaction (delayed hypersensitivity or cell-medicated)

• Usually no reaction with 1st exposure to the product
• Once sensitized, reaction ~ 8-12 hours after exposure

• What are common areas of the body that are affected by allergic contact dermatitis (6)?

Answer 1 / 3

• Eyelids

• neck
• hands
• axilla
• anogenital area,
• lower extremities

• What are common allergens that cause allergic contact dermatitis (5)?

Answer

• poison ivy

• metals (nickel)
• fragrances
• topical antibiotics (neomycin, bacitracin)
• rubber

• What are the treatment options for contact dermatitis (3)?

Answer

• Avoid the Irri- tant***

• Creams/ointments

lubricate & protect areas

• Sometimes corticosteroid

• What is atopic dermatitis (eczema)?

Answer

• Inflammatory skin condition in which recurrent eczematous lesions occur

• Eczematous

red, itchy, lesions that are often weeping or crusted 2 / 3

• Infantile atopic dermatitis (eczema)

Answer starts ages 2-6 months, resolves by age 3 years

• childhood atopic dermatitis (eczema)

Answer may occur after infantile or start around 2-3 years and most (90%) resolve by 5 years

• adolescent atopic dermatitis (eczema)

Answer starts around 12 years and continues into early adulthood or lifelong

• What are the S/S of atopic dermatitis (eczema) (5)?

Answer

• Pruritus

• Erythema
• papules
• vesicles
• oozing, crusting

• How does atopic dermatitis (eczema) present in infants (3)?

Answer

• Begins on cheeks, forehead, scalp, then trunk

• Extensor surfaces

can be affected (esp. once crawling)

• Diaper area

typically spared, can aid in diagnosis***

• What does the prognosis of atopic dermatitis look like?
• / 3