Eczema Flashcards
Atopic eczema can also be described as what?
Atopic dermatitis
What other atopic diseases is eczema associated with?
asthma, allergic rhinitis, food allergy
What parts of the body does eczema commonly affect?
Behind the knees, elbows, neck, eyes, ankles.
Also under the ear lobe.
All flexure joints.
Why is a staph aureus infection common with atopic eczema?
infection occurs when itching and scratching.
Crusting indicates an infection
What is eczema herpeticum?
A condition caused by the herpes simplex virus which looks like monomorphic punched-out lesions
Emergency!!
IV acyclovir
What is the diagnostic criteria for atopic eczema?
Itching PLUS 3 OF:
Visible flexural rash history of flexual rash personal history of atopy Generally dry skin Onset before age 2 years
How is eczema treated?
Plenty of emollients Avoiding irritants e.g. shower gels and soaps Topical steroids Treating infection Phototherapy espec. UVB
What is the most important gene involved in atopic eczema?
Filaggrin
What is discoid eczema?
Presents as annular plaques
What is stasis eczema?
Secondary to hydrostatic pressure, oedema and red cell extravasation.
What is photosensitive eczema?
Reacts to sunlight .
Can be secondary to drugs
What is seborrhoeic dermatitis also known as?
Cradle cap dermatitis.
Common in children
