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Erythema nodosum - Symptom

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.

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).

  • Reviewed last on: 10/26/2006
  • Michael S. Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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