Atopic Dermatitis (Eczema)

Question 1

Atopic dermatitis

Answer 1

• also known as eczema
• common chronic inflammatory skin disorder characterised by itch and dry skin
• most commonly seen in children

Question 2

Aetiology of eczema

Answer 2

• Genetics (FHx., filaggrin gene)
• Environment (allergens, irritants, climate, stress)
• Lifestyle (smoking, alcohol)

Question 3

Clinical features of eczema

Answer 3

• pruritis (itch)
• erythema
• xerosis (dry skin)
• skin lesions (acute, subacute, chronic)

Question 4

Acute skin lesions in eczema

Answer 4

• red papules/vesicles
• exudate

Question 5

Subacute skin lesions in eczema

Answer 5

• red scaling plaques
• crusting

Question 6

Chronic lesions in eczema

Answer 6

• lichenification
• hyper/hypopigmentations
• fissures
• excoriations

Question 7

Diagnosis criteria for eczema

Answer 7

An itchy skin condition in last 12 months
Plus 3 of:
- onset < 2 years old
- hx. flexural involvement
- hx. generally dry skin
- hx. of atopy
- current visible flexural dermatitis

Question 8

Management of eczema

Answer 8

• patient education
• emollients
• topical corticosteroids
• antimicrobials
• phototherapy
• antihistamines