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Erythrasma

Geraldine N. Urse, DO, FACOFP, MHPEd Reviewed 06/2018
 


BASICS

Erythrasma is a superficial bacterial infection of the skin folds caused by Corynebacterium minutissimum. It is often misdiagnosed as a fungal infection. 

DESCRIPTION

  • C. minutissimum is a part of...

DIAGNOSIS

HISTORY

  • Normally, erythrasma is asymptomatic; however, it may present with pruritus (1).

  • Reddish/brown discolored irregular patches

  • Affects intertriginous areas, interdigital areas

  • Consider when...

TREATMENT

  • Erythromycin is treatment of choice, and a recent systematic review showed “convincing evidence” to recommend erythromycin; however, no evidence-based studies have clarified the best therape...

ONGOING CARE

PATIENT EDUCATION

Patients should be counseled to keep affected areas clean and dry and to avoid occlusive clothing and footwear. 

PROGNOSIS

Good 

COMPLICATIONS

Immunocompromised patients with...

REFERENCES

1
Blaise G, Nikkels AF, Hermanns-Lê T, et al. Corynebacterium-associated skin infections. Int J Dermatol.  2008;47(9):884–890. {L-End} [View Abstract on OvidMedline]
2
Husain Z, Cohen PJ...

ADDITIONAL READING

  • Janniger CK, Schwartz RA, Szepietowski JC, et al. Intertrigo and common secondary skin infections. Am Fam Physician.  2005;72(5):833–838.

  • Kalra MG, Higgins KE, Kinney BS. Intert...

CODES

ICD10

L08.1 Erythrasma 

ICD9

039.0 Cutaneous actinomycotic infection 

SNOMED

238418005 Erythrasma (disorder) 

CLINICAL PEARLS

Erythrasma is a bacterial infection of the skin folds, often misdiagnosed as a fungal infection. 

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