The cause of dyshidrotic eczema is unknown.

Dyshidrotic eczema is also known as vesicular palmoplantar dermatitis, dyshidrosis or pompholyx.

Dyshidrotic eczema (dyshidrotic dermatitis) is an irritation of the skin on the palms of hands and soles of the feet characterized by clear, deep blisters that itch and burn.

Dyshidrosis (also known as "acute vesiculobullous hand eczema," "cheiropompholyx," "dyshidrotic eczema," "pompholyx," and "podopompholyx") is a skin condition that is characterized by small blisters on the hands or feet.