Intro to Eczematous Eruptions

Question 1

What is the allergic triad?

Answer 1

• asthma
• hay fever
• atopic dermatitis

Question 2

Who gets atopic dermatitis?

Answer 2

• children under 5 y/o

Question 3

Describe clinical symptoms of acute atopic dermatitis.

Answer 3

• intensely pruritic lesions
• erythematous papules with excoriation
• vesiculations with serous exudate

Question 4

Describe clinical symptoms of subacute atopic dermatitis

Answer 4

• erythematous, excoriated scaling papules

- irritated, longer effect

Question 5

Describe clinical symptoms of chronic atopic dermatitis.

Answer 5

• thickened skin with lichenification
• fibrotic papules
• hyper/hypopigmentation s/p; opposite of patients normal

Question 6

Where do atopic dermatitis symptoms present on infants and why?

Answer 6

• extensor surfaces: friction
• face/scalp
• spares diaper area

Question 7

Where do atopic dermatitis symptoms present on children and adults?

Answer 7

• flexural folds

Question 8

What is an itch that rashes?

Answer 8

• atopic dermatitis

Question 9

What are the most common food allergens in children?

Answer 9

• egg
• soy
• milk
• wheat
• fish
• shellfish
• peanut

Question 10

In what order are substances used? (best to worst)

Answer 10

• ointments > creams > lotions > solutions

Question 11

What is a risk of using over using corticosteroids?

Answer 11

• skin atrophy

Question 12

Describe the clinical findings of seborrheic dermatitis

Answer 12

• greasy scales that look like psoriasis overlying erythematous patches or plaques

Question 13

Where does seborrheic dermatitis affect?

Answer 13

• scalp (dandruff)

- flexeral areas

Question 14

What is cradle cap/crap?

Answer 14

• seborrheic dermatitis in the first few weeks of life

- resolves by 6 mo but returns in puberty/adulthood

Question 15

What is the treatment for seborrheic dermatitis?

Answer 15

• low potency topical glucocorticoids (steroids) with topical antifungal
• antidandruff shampoos to be left in place 3-5mins
• high potency topical glucocorticoid solution only for severe scalp involvement

Question 16

Describe the clinical findings of lichen simplex chronicus

Answer 16

• end stage of many pruritic and eczematous disorders

- circumscribed plaques of lichenified skin

Question 17

What causes the patches associated with lichen simplex chronicus?

Answer 17

• chronic scratching or rubbing

Question 18

What are the common areas to find lichen simplex chronicus?

Answer 18

• posterior nucal region
• dorsum of feet
• ankles

Question 19

What is the treatment for lichen simplex chronicus?

Answer 19

• high potency topical glucocorticoid cream
• cessation of itching and scratching
• oral antihistamine with tricyclic antidepressants

Question 20

Describe the clinical presentation of irritant contact dermatitis

Answer 20

• well demarcated

- localized to thin skin (hands)

Question 21

What is the most common irritant contact dermatitis?

Answer 21

• chronic low-grade

Question 22

Describe an allergic contact dermatitis reaction

Answer 22

• erythemetous
• vessiculation
• severe pruritis

Question 23

What is the most common cause of allergic contact dermatitis?

Answer 23

• plant exposure (i.e. poison ivy)

Question 24

Describe the visible appearance of an allergic contact dermatitis reaction

Answer 24

• linear or angular eruption

Question 25

What is the leading causes of allergic contact dermatitis in the world?

Answer 25

• nickel

Question 26

What is the classic sign of neomycin induced allergic contact dermatitis?

Answer 26

• otits externa with red ears

Question 27

What causes diaper rash?

Answer 27

• wetness
• friction
• microorganisms

Question 28

intertrigo

Answer 28

• wet skin at a crease

- chafing and maceration

Question 29

seborrheic diaper dermatitis

Answer 29

• involves the creases

Question 30

atopic diaper eczema

Answer 30

• spares the creases

Question 31

What induces candidia?

Answer 31

• antibioitcs

Question 32

What is the treatment for diaper rash?

Answer 32

• airing the diaper area
• frequent diaper changes
• barrier ointments
• low potentcy steroid ointment

Question 33

What treats candida?

Answer 33

• antifungals i.e. diflucan