Erythema Nodosum Questions & Answers

Updated: Aug 07, 2018
  • Author: Jeanette L Hebel, MD; Chief Editor: William D James, MD  more...
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Questions & Answers

Overview

What is erythema nodosum (EN)?

What is the pathogenesis of erythema nodosum (EN)?

What is the most likely cause of erythema nodosum (EN)?

Which bacterial agents cause erythema nodosum (EN)?

Which fungal infections cause erythema nodosum (EN)?

Which drugs cause erythema nodosum (EN)?

What is the relationship between inflammatory bowel diseases (IBD) and erythema nodosum (EN)?

What is the relationship between erythema nodosum (EN) and malignancies?

What is the role of sarcoidosis in erythema nodosum (EN)?

Is erythema nodosum (EN) a symptom of Behcet disease?

When in a pregnancy is erythema nodosum (EN) most likely to occur?

In what age group is erythema nodosum (EN) most common?

What is the incidence of erythema nodosum (EN)?

Is erythema nodosum (EN) more common in males or females?

Does the incidence of erythema nodosum (EN) vary among age groups?

What is the prognosis of erythema nodosum (EN)?

Should physical activity be restricted for patients with erythema nodosum (EN)?

Presentation

What is the disease course for erythema nodosum (EN)?

Which physical findings suggest erythema nodosum (EN)?

Where do skin lesions appear in erythema nodosum (EN)?

What color are skin lesions in erythema nodosum (EN)?

What is the role of hilar lymph nodes in erythema nodosum (EN)?

What are the physical findings of the joints in erythema nodosum (EN)?

DDX

What are the differential diagnoses for Erythema Nodosum?

Workup

Which lab studies are performed in the diagnosis of erythema nodosum (EN)?

What is the role of stool testing in the diagnosis of erythema nodosum (EN)?

What is the role of chest radiography in the diagnosis of erythema nodosum (EN)?

What is the role of skin testing in the diagnosis of erythema nodosum (EN)?

When is a biopsy indicated in suspected erythema nodosum (EN)?

Which histologic findings suggest erythema nodosum (EN)?

Treatment

What is the treatment for erythema nodosum (EN)?

When is specialist consultation indicated for patients with erythema nodosum (EN)?

When is activity restricted in patients with erythema nodosum (EN)?

How is exacerbation of erythema nodosum (EN) prevented?

Is long-term monitoring necessary in patients with erythema nodosum (EN)?

Medications

Which medications are used for the treatment of erythema nodosum (EN)?

Which medications in the drug class Anti-inflammatory agents are used in the treatment of Erythema Nodosum?

Which medications in the drug class Antithyroid agents are used in the treatment of Erythema Nodosum?