Erythrasma | Figure 4.11
A: Erythrasma
B: Erythrasma (Wood’s light)
C: Pitted keratolysis
(Courtesy of Dr. Paul Getz)
D: Pitted keratolysis
(Courtesy of Dr. Paul Getz) |
(Figure 4.11A, B) - Superficial infection in occluded intertriginous areas due to C. minutissimum
- Presents as well-demarcated red-brown macules/patches with fine scale and wrinkling in intertriginous areas; interdigital maceration and scaling between toes
- Most common bacterial infection of the foot
- Wood’s lamp: bright coral-red fluorescence due to porphyrin production (coproporphyrin III)
- Treatment: topical antibiotic or antifungal (clindamycin, erythromycin, imidazole) or oral erythromycin × 5 days
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