Erythema Nodosum
Examination
Painful erythematous nodular lesions, 2-6 cm
shins
occasionally thighs
Causes
streptococcal sore throat
sarcoid
TB
inflammatory bowel disease
Crohn's Disease
Ulcerative Colitis
drug reaction
sulphonamides
penicillin
oral contraceptives
Rheumatic Fever
many other systemic diseases
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