Erythrasma

Overview:

Erythrasma is a superficial infection of the skin of bacterial origin which usually involves the skin folds such as groin and axilla.

Etiology:

Corynebacterium minutissimum

Location:

Skin Folds (groin, axilla, webspace, rarely on trunk)

Contributing Factors:

Erythrasma is more common in humid climates, patients with excessive sweating, or patients with comorbidities including diabetes.

Diagnosis:

Diagnosis based on the classic “coral red” fluorescence with Woods Lamp (type of blue light).

Treatment:

Topical Clindamycin Solution, Topical benzoyl peroxide wash, rarely oral antibiotics