Excema Flashcards

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1
Q

definition of atopic excema

A

*An itchy skin condition in the last 12 months
Plus 3 of the following:
*Onset before age 2
*History of flexural involvement
*History of generally dry skin
*History of other atopic disease –History in 1stdegree relative if under 4 yrs

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2
Q

main gene in atopic excema

A

Filaggrin gene

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3
Q

what type of hypersensitivity causes Allergic contact dermatitis

A

type 4

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4
Q

Seborrhoeic eczema in children

A

*Predilection for scalp, proximal flexures.
*Often clears within weeks of treatment

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5
Q

Seborrhoeic eczema in adults
what is it
what causes it
where does it happen

A

*Chronic dermatitis.
*Malassezia yeast
*Distinctive distribution –scalp, face, upper trunk

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6
Q

treatment of seborrheic eczema in adults

A

topical anti-yeast (ketoconazole).

*If severe, consider HIV test

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7
Q

whats this

A

discoid eczema

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8
Q

symptoms of Pompholyx/vesicular eczema x5

A

*Palms and soles.
*Intensely itchy.
*More common under 40 years.
*Sudden onset of crops of vesicles.
*Resolution can include desquamation.

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9
Q

symptoms x3 and causes x2 of Asteatotic eczema

A

*Very dry skin.
*Cracked scaly appearance.
*Most commonly shins affected.

*Climate –heat
*Excessive washing/soaps

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10
Q

whats Eczema herpeticum
symptoms
what causes it

A

*Disseminated viral infection

*Fever and often unwell
Itchy clusters of blisters and erosions

Herpes Simplex 1 and 2

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11
Q

3 treatments of eczema

A

*Intermittent topical steroids
-hydrocortisone (low) -Betamethasone(potent)

*antihistamines or antimicrobials

*Calcineurin Inhibitors

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12
Q

3 treatments of severe excema

A

*Ultraviolet light.
*Immunosuppression.–Azathioprine, Methotrexate
*Biologic –Dupilumab

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