Erythema nodosum
Last updated: Tuesday, 30, November, 2010
| Causes/Associations | Appropriate Tests |
|---|---|
| Review clinical findings.FBC, blood film. Skin biopsy (including subcutaneous fat) if diagnosis uncertain. | |
Idiopathic | |
Streptococcus pyogenes infection | Throat swab, wound swab – microscopy and culture (skin lesion); anti-deoxyribonuclease B antibodies, anti-streptolysin O titre. |
Drug reactions, especially;
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