Diseases

Erythema Nodosum

An erythematous eruption commonly associated with drug reactions or infection and characterized by inflammatory nodules that are usually tender, multiple, and bilateral. These nodules are located predominantly on the shins with less common occurrence on the thighs and forearms. They undergo characteristic color changes ending in temporary bruise-like areas. This condition usually subsides in 3-6 weeks without scarring or atrophy.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An erythematous eruption commonly associated with drug reactions or infection and characterized by inflammatory nodules that are usually tender, multiple, and bilateral. These nodules are located predominantly on the shins with less common occurrence on the thighs and forearms. They undergo characteristic color changes ending in temporary bruise-like areas. This condition usually subsides in 3-6 weeks without scarring or atrophy.

MeSH Record

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MeSH Record

Aspects Covered

35 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

Indexing Annotation

a drug eruption with inflammatory nodules; erythema nodosum leprosum (ENL) = ERYTHEMA NODOSUM + LEPROSY, LEPROMATOUS

MeSH Hierarchy

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MeSH Record

NLM Classification

WR 150

AMA Style

References

  1. National Library of Medicine. Erythema Nodosum. Medical Subject Headings (MeSH). 2026. Unique ID D004893. http://id.nlm.nih.gov/mesh/2026/D004893
  2. Erythema Nodosum. In: Wikipedia. https://en.wikipedia.org/wiki/Erythema_nodosum
  3. Erythema Nodosum. In: Wikidata. https://www.wikidata.org/wiki/Q1363738