Contact Dermatitis Flashcards
What is eczema herpeticum?
Eczema herpeticum describes a severe primary infection of the skin by herpes simplex virus 1 or 2.
Who is more commonly affected by eczema herpeticum?
It is more commonly seen in children with atopic eczema.
What are the typical symptoms of eczema herpeticum?
It often presents as a rapidly progressing painful rash.
What are the characteristic lesions seen on examination?
Monomorphic punched-out erosions (circular, depressed, ulcerated lesions) usually 1-3 mm in diameter.
Why is eczema herpeticum considered serious?
As it is potentially life-threatening, children should be admitted for IV aciclovir.
What percentage of children are affected by eczema?
Eczema occurs in around 15-20% of children.
At what age does eczema typically present?
Eczema typically presents before 2 years of age.
What percentage of children see eczema clear by 5 years of age?
Around 50% of children see eczema clear by 5 years of age.
What percentage of children see eczema clear by 10 years of age?
Around 75% of children see eczema clear by 10 years of age.
What are common features of eczema?
Eczema features an itchy, erythematous rash and repeated scratching may exacerbate affected areas.
In infants, where is eczema often affected?
In infants, the face and trunk are often affected.
In younger children, where does eczema typically occur?
In younger children, eczema often occurs on the extensor surfaces.
In older children, where is eczema typically distributed?
In older children, a more typical distribution is seen with flexor surfaces affected and the creases of the face and neck.
What is the management strategy for eczema?
Management includes avoiding irritants and using simple emollients.
How much emollient should be prescribed?
Large quantities should be prescribed, e.g., 250g/week, roughly in a ratio of 10:1 with topical steroids.