Dermatitis repens

Dermatitis repens, also known as acrodermatitis continua, acrodermatitis perstans, pustular acrodermatitis, acrodermatitis continua of Hallopeau, acrodermatitis continua suppurativa Hallopeau, Hallopeau's acrodermatitis, Hallopeau's acrodermatitis continua, and dermatitis repens Crocker,  is a rare, sterile, pustular eruption of the fingers and toes that slowly extends proximally.