Skin Disorders in Elderly Persons: Part 5, Fungal Infections (Erosio Interdigitalis Blastomycetica)

Erosio Interdigitalis Blastomycetica

Maceration or scale between isolated web spaces of the fingers suggests erosio interdigitalis blastomycetica (interdigital candidiasis) (Figure). It most often occurs in the web space between the middle and ring fingers; sometimes the toes are affected. Erosio can spread and can be painful.

Long-term exposure to liquids and chronic maceration make those who do "wet work," such as launderers, bartenders, dishwashers, and homemakers, particularly susceptible. Exposure of the skin to irritants and moisture over a long period leads to breakdown of the skin barrier with subsequent colonization and growth of Candida. Rings can help retain moisture in the web space.

Erosio interdigitalis blastomycetica is also one of the cutaneous manifestations of diabetes. The immunosuppressive effect of corticosteroids can aggravate the condition.