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Erythema nodosum associated with sarcoidosis Erythema nodosum on the foot

Overview Symptoms Treatment Prevention

Erythema nodosum

Symptoms: The characteristic tender, red nodules of erythema nodosum usually appear on the shins: One or more nodules Painful, reddened Located on the anterior surface of the lower leg Occasionally located on the arms or trunk May feel warm to touch Not ulcerated Accompanying symptoms include the following: Fever General ill feeling (malaise) Joint aches Skin redness, inflammation, or irritation Swelling of the leg or other affected area The red and inflamed skin symptoms may regress to a bruise-like appearance. Text Continues Below Signs and tests: The diagnosis is primarily based on the appearance of the skin nodules. Biopsy of a nodule may show characteristic changes (septal panniculitis).

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