Erythema nodosum

Definition

Erythema nodosum is an inflammatory condition characterized by painful, red nodules typically found on the shins. It is often associated with bacterial infections and can be a sign of underlying systemic disease.

5 Must Know Facts For Your Next Test

1. Erythema nodosum is commonly associated with streptococcal infections.
2. It presents as tender, erythematous (red) nodules usually located on the anterior aspects of the lower legs.
3. The condition can also be triggered by other infectious agents such as tuberculosis and Yersinia enterocolitica.
4. Diagnosis is primarily clinical but may involve biopsy to rule out other conditions.
5. Treatment often involves addressing the underlying infection and using anti-inflammatory medications.

Related terms

Cellulitis:

A bacterial skin infection characterized by redness, swelling, and warmth.

Impetigo:

A highly contagious bacterial skin infection causing red sores that can rupture and form honey-colored crusts.

Pyoderma gangrenosum: A rare skin condition that causes large, painful sores or ulcers.