Excema Flashcards
definition of atopic excema
*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
main gene in atopic excema
Filaggrin gene
what type of hypersensitivity causes Allergic contact dermatitis
type 4
Seborrhoeic eczema in children
*Predilection for scalp, proximal flexures.
*Often clears within weeks of treatment
Seborrhoeic eczema in adults
what is it
what causes it
where does it happen
*Chronic dermatitis.
*Malassezia yeast
*Distinctive distribution –scalp, face, upper trunk
treatment of seborrheic eczema in adults
topical anti-yeast (ketoconazole).
*If severe, consider HIV test
whats this
discoid eczema
symptoms of Pompholyx/vesicular eczema x5
*Palms and soles.
*Intensely itchy.
*More common under 40 years.
*Sudden onset of crops of vesicles.
*Resolution can include desquamation.
symptoms x3 and causes x2 of Asteatotic eczema
*Very dry skin.
*Cracked scaly appearance.
*Most commonly shins affected.
*Climate –heat
*Excessive washing/soaps
whats Eczema herpeticum
symptoms
what causes it
*Disseminated viral infection
*Fever and often unwell
Itchy clusters of blisters and erosions
Herpes Simplex 1 and 2
3 treatments of eczema
*Intermittent topical steroids
-hydrocortisone (low) -Betamethasone(potent)
*antihistamines or antimicrobials
*Calcineurin Inhibitors
3 treatments of severe excema
*Ultraviolet light.
*Immunosuppression.–Azathioprine, Methotrexate
*Biologic –Dupilumab