Erythema Multiforme Flashcards
1
Q
What is erythema multiforme.
A
Symmetrical eruption of raised target lesions.
2
Q
What may erythema multiforme be associated with.
A
Pyrexia.
3
Q
What is erythema multiforme known as if it is associated with mucosal involvement.
A
Stevens-Johnson syndrome.
4
Q
What are the causes of erythema multiforme. (7)
A
Infection (herpes simplex, mycoplasma, psittacosis, hepatitis B, EBV, histoplasmosis). Lupus. Drugs (sulfonamides, antibiotics). Malignancy including leukaemia. Pregnancy. Pre-menstrual. Sarcoid.
5
Q
What are the target lesions like in erythema multiforme.
A
Symmetrical and central blisters.
6
Q
Where are the target lesions usually located in erythema multiforme. (2)
A
Palms/soles.
Limbs, elsewhere.
7
Q
When is erythema multiforme present. (3)
A
Stevens-Johnson syndrome.
Collagen disorders.
50% are idiopathic.
