ecezema Flashcards
define
a chronic relapsing skin condition characterised by erythematous itch rash found in creases. a primary genetic defect in the skin barrier
is it common
20% of primary school age children
calms down in teen years
rf
FH or personal history of atopy triad
- eczema, allergic rhinitis, asthma
exabercabeting factors
sweating stress hormones in females triggers-foods, chemicals, fur/allergens increase in temperature infection
presentation
erythematous itching rash redness lichenification exocirations ill defined common in flexoral regions
DD
psoriasis
scabies
dermatitis
management
avoid triggers use emollients such as E45 creams topical steroids topical immunomodulators- tacrolimus antibiotics antihistamines
complications
secondary to viral infection (mollascum contagiosum
crusting weepy lesions
what are the two categories of contact dermatitis
allergic and irritant (80%)
define irritant dermatitis and list key features
substance which can cause cell damage if supplied for SUFFICIENT TIME AND CONCENTRATIon
limited to specific site of application and occurs when cell damage cannot be repaired
- soaps and detergents
define allergic dermatitis
usually things like nickel, rubber
determine agent through patch testing
eczema can spread from original site
what is seborrheic dermatitis
occurs at sites where there is increased no. of sebaceous glands such as axilla, groin, eyebrow, scalp ( dandruff), behind ears
presentation and cause treatment
overgrowth of mallassezia fufur yeast
yellow oily plaques
treatment with antifungals and steroid and coal tar shamppo
discoid ecezema
coin disc shaped erythematous dry plaque
chronic and often on limbs
varocise eczema
skin overlying varicose veins
elderly
brown red colour
