Also known as dyshidrotic eczema, the key characteristic of this form of eczema is blistering that is restricted to the hands and feet.
In particular, the sides of fingers, palms of hands and soles of feet are affected although it can combine with other types of eczema elsewhere on the body. Pompholyx accounts for 5-20% of all cases of hand eczema.
The blisters can break and cause weeping and the skin is very itchy and inflamed. Peeling can occur as the skin dries out.
The cause is not known, although factors such as emotional tension, a sensitivity to metal compounds such as nickel, cobalt, chromate, or heat and sweating can aggravate this type of eczema.
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