6 - Derm - Eczema - Atopic eczema Flashcards
prevalence in kids
onset usually when?
% improve with age
10-20%
usually 2y
60%
what raised usually?
or possibly?
serum IgE
abnormal T-cell response
Clinical features - everyone
itchy, erythematous scaly patches
mainly affect flexures
excoriations and lichenification common in long standing atopic eczema
Clinical features - infants? dark skinned?
infants - usually on face, progresses to extensors
dark skinned - may lead to hypopigmentation
exacerbating factors - 6
irritants infection teething stress allergy weather change
complications - 3
eczema herpeticum
staph/strep infection
viral infection (warts, molluscum)
Eczema herpeticum - from what? appearance?
primary HSV infection
grouped small vesicles and punctuate erosions
Eczema herpeticum - mgmt
opth referral if near or on face
oral (or IV if severe) aciclovir
eczema general mgmt measures
education + support
occupational advice
soap substitutes
avoid allergens/irritants
Emollients - 2 types
creams and ointments
Emollient creams - consist of? examples? good for?
water, lipid, emulsifier
good for wet skin
aq cream, E45 cream
Emollient ointments - consist of? better at what? but? examples
liquid without water
better at hydrating but are greasy and thick preps can cause folliculitis
diprobase, white soft paraffin
What other medical treatments other than emollients? 4
steroids
top immunomodulators
antihistamines
ABs
What are top immunomods useful for? and antihistamines?
immmods - alternative to potent steroid
antihists - aiding sleep
A/bs - when?
signs of infection - bright red, pustules, exudates
usually s. aureus - fluclox/erythro if allergic