Other symptoms related to erythema nodosum and erythema multiforme
Signs and tests:
In some cases, a biopsy of the skin lesion can identify the fungus. On the other hand, erythema nodosum and erythema multiforme skin lesions are inflammatory reactions and usually do not have fungus in them.
D. Scott Smith, M.D., MSc, DTM&H, Chief of Infectious Disease & Geographic Medicine, Kaiser Redwood City, CA & Adjunct Assistant Professor, Stanford University. Review provided by VeriMed Healthcare Network.
References
Wheat JL. Histoplasmosis: a review for clinicians from non-endemic areas. Mycoses 2006;49 (4),274-82.