Erythema nodosum


Dermatitis contusiformis; erythema con-tusiformis; focal septal panniculitis; nodose fever


Inflammatory vascular reaction pattern to multiple causes; characterized by tender subcutaneous nodules, usually on the anterior legs


Probably is delayed hypersensitivity reaction to a variety of antigens; most common associations with streptococcal infections in children and sarcoidosis in adults; other associations include tuberculosis, myco-plasma pneumonia, leprosy, coccidioid-omycosis, North American blastomycosis, histoplasmosis, inflammatory bowel disease, pregnancy, and Behcet's disease; associated medications include oral contraceptives and sulfonamides

Clinical manifestation

Prodrome of flulike symptoms of fever and generalized aching; lesions begin as poorly-defined, red, tender nodules; become firm and painful during the second week; sometimes becoming fluctuant; not suppurating or ulcerating; individual lesions last approximately 2 weeks; associated leg edema and pain

Differential diagnosis

Nodular vasculitis; insect bite reaction; erysipelas; cellulitis; superficial thrombophle bitis; Weber-Christian disease; pancreatic panniculitis; lupus profundus; traumatic panniculitis; polyarteritis nodosa; rheumatoid nodules


Non-steroidal anti-inflammatory agents; bed rest; leg elevation; prednisone


Requena L, Requena C (2002) Erythema nodosum. Dermatology Online Journal 8(i):4

How To Deal With Rosacea and Eczema

How To Deal With Rosacea and Eczema

Rosacea and Eczema are two skin conditions that are fairly commonly found throughout the world. Each of them is characterized by different features, and can be both discomfiting as well as result in undesirable appearance features. In a nutshell, theyre problems that many would want to deal with.

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