UMM logo

Dermatology

Skin Inflammation (Rashes)

Skin Inflammation (Rashes) | Dermatitis | Drug Rashes | Erythema Multiforme | Erythema Nodosum | Granuloma Annulare | Poison Ivy | Toxic Epidermal Necrolysis

Erythema Nodosum

What is erythema nodosum?

Erythema nodosum is characterized by tender, red bumps, usually found on the shins. Quite often, erythema nodosum is not a separate disease, but, rather, a sign of some other disease, or of a sensitivity to a drug.

Diseases that can cause erythema nodosum:

Drugs that can cause erythema nodosum:

What are the symptoms of erythema nodosum?

The following are the most common symptoms of erythema nodosum. However, each individual may experience symptoms differently:

Young adults are particularly susceptible to erythema nodosum -- the symptoms of which may resemble other dermatologic conditions. Consult a physician for diagnosis.

How is erythema nodosum diagnosed?

A biopsy (removal of tissue for examination under a microscope) of a bump can usually confirm the diagnosis. However, the exact cause can not always be identified. Drug-caused erythema nodosum can usually be diagnosed by careful elimination of the drug causing it.

Treatment for erythema nodosum:
Specific treatment for erythema nodosum will be determined by your physician based on the cause of the disorder and may include:


This page was last updated on: January 31, 2008.

For patient inquiries, call 1-800-492-5538 or click here to make an appointment.