A 9-year-old child with a history of atopic eczema presents with a sudden worsening of her skin. Her eczema is usually well controlled with emollients but her parents are concerned as the facial eczema has got significantly worse overnight. She now has painful clustered blisters on both cheeks, around her mouth on her neck. Her temperature is 37.9ºC.
What is the most appropriate management?
Correct Answer B: Eczema herpeticum describes a severe primary infection of the skin by herpes simplex virus 1 or 2. It is more commonly seen in children with atopic eczema. As it is potentially life threatening children should be admitted for IV acyclovir.
Eczema herpeticum Forehead.
Eczema herpeticum Neck.
Eczema herpeticum Periocular.
Eczema herpeticum Perioral.
Eczema herpeticum resolving lesions.
A woman presents with painful erythematous lesions on her shins.
Which one of the following is least associated with this presentation?
Correct Answer E: Erythema nodosum
Overview:
Causes:
A 34-year-old female is reviewed in the dermatology clinic with a skin rash under her new wrist watch. An allergy to nickel is suspected.
What is the best investigation?
Correct Answer B: Nickel is a common cause allergic contact dermatitis and is an example of a type IV hypersensitivity reaction. It is often caused by jewellery such as watches.
It is diagnosed by a skin patch test.
Allergic contact dermatitis to nickel in metal studs on jeans.
A 43-year-old woman is referred to psychiatry following repeated episodes of hypomaniac behaviour interspersed with periods of depression. Her past medical history includes psoriasis and a deep vein thrombosis 11 years ago.
Which one of the following medications is most likely to worsen her psoriasis?
Correct Answer C: Psoriasis: common triggers are beta-blockers and lithium.
Psoriasis: exacerbating factors: The following factors may exacerbate psoriasis:
A 20-year-old man presents with acute gingivitis associated with oral ulceration. A diagnosis of primary herpes simplex infection is suspected.
Which one of the following types of rash he is most likely to develop?
Correct Answer E: Erythema multiforme
Features:
If symptoms are severe and involve blistering and mucosal involvement the term Stevens-Johnson syndrome is used.
*Orf is a skin disease of sheep and goats caused by a parapox virus
Target lesions in erythema multiforme.
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