Erythema Multiforme Flashcards
1
Q
What is it?
A
Hypersensitivity reaction that is most commonly triggered by infections
2
Q
What are the clinical features?
A
Target lesions commonly seen on hands/feet first before spreading to the rest of body
Upper limbs more commonly affected than lower limbs
Can be mucosal involvement
Can get mild pruritis (erythema multiforme major)
3
Q
What are the causes?
A
Viruses- HSV= most common
Bacterial- strep or mycoplasma infection
Drugs- allopurinol, carbmazepine, penicillin, sulfonamides
Sarcoidosis
SLE
Malignancy
