Dermatology Flashcards
Endogenous causes of eczema
atopic seborrheic discoid pomphylx varicose
Exogenous causes of eczema
allergic contact dermatitis
irritant contact dermatitis
photosensitive
What can flares of eczema be associated with?
infections/viral illness environment = cold air pets teething stress
Commonest type of eczema
atopic
Atopy
overactive immune response to environmental stimuli
atopic eczema usually starts where?
face/neck - cheeks
Older children pattern of atopic eczema
flexural pattern
atopic eczema due to what?
abnormality in filaggrin expression
What is seborrheic dermatitis associated with?
malassezia in yeast form
cradle cap
treating seborrheic dermatitis
emollients
anti fungal creams
anti fungal shampoos
mild topical steroids
pomphylx eczema
hand and foot
vesicles
What is varicose eczema associated with?
oedema
venous insufficiency
symptoms of suspected food allergy
immediate - lip swelling, itch
worsening of eczema later
GI, FTT, general severe itch
2 ways to test for food allergy
blood test - IgE antibodies
skin prick testing
treating eczema
emollients topical steroids calcineurin inhibitors UVB therapy immunosuppression
Name some very potent –> mild topical steroids
dermovate
hydrocortisone
Treating impetigo
topical antibacterial - Fucidin
oral antibiotics - flucloxacillin
What is molluscum contagiosum?
mulliscipox virus
pearly papules with umbilicated centre
treating warts
cryotherapy
topical paints - salicylic acid
associations with viral exanthems
viral illness
fever, malaise, headache
name some viral exanthems
chicken pox
measles
rubells
erythema infectiosum - parvovirus B19 = slapped cheek
Appearance of chicken pox
red papules
vesicles
trunk
chicken pox incubation period
10-21 days
cause of hand, foot and mouth
coxsackie virus A16
Appearance of hand, foot and mouth
blisters on hands, feet and mouth
Erythema nodosum causes
infections eg strep, URTI
IBD
sarcoidosis
drugs - OCP
