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Toll-Free: 855-997-2367
Phone: 540-904-1458
Shenandoah Podiatry
Toll Free: 855-997-2367
Roanoke: 540-904-1458


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Erythrasma is a chronic superficial infection of the intertriginous areas of the skin. This is a bacterial infection and can be found between the toes. It commonly occurs between the 3rd and 4th toes


This infection usually occurs in areas of body folds that are moist. The infection can be asymptomatic or itching may be associated with the infection.

The infection consists of a well-defined area with brown-red patches commonly found. Scaling may be present, as well as fissuring and maceration. The affected area may resemble athlete’s foot.

Corynebacterium minutissimum – A bacterium found on the skin

Predisposing factors:

Excessive sweating


Diabetes mellitus

Warm climate

Poor hygiene

Differential Diagnosis:


Contact dermatitis


Tinea pedis (athlete’s foot)


Wood light examination – Reveals coral red fluorescence

Gram stain – Reveals gram-positive filamentous rods


Antibiotics – Erythromycin is the drug of choice. Your doctor may prescribe 1-2 weeks of antibiotic therapy.

Dr. Jennifer Keller
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Owner of Shenandoah Podiatry, servicing all of your foot and ankle needs.
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