Dyshidrotic Eczema: Symptoms, Triggers and Treatment

Dyshidrotic eczema causes intensely itchy, fluid-filled blisters on the hands, feet or both.

Also called pompholyx, it tends to affect the sides of the fingers, palms and soles. It is not contagious. Flares may settle and return, and the skin can remain dry, tender or cracked after the blisters clear.

Dyshidrotic eczema commonly presents with deep-seated small blisters and marked itching. Burning, prickling or discomfort may begin before blisters become visible. Nearby blisters can merge into larger areas, while healing skin may peel or form painful fissures.

Seek prompt medical assessment if redness spreads, pain or warmth increases, pus appears, or you feel unwell. These changes can suggest infection rather than an uncomplicated flare.

The exact cause is not always clear. The condition involves inflammation in the skin barrier and may flare after contact with an irritant or allergen, during hot and sweaty conditions, or at times of emotional stress. It is not caused by blocked sweat glands.

A dermatologist may look for a personal or family tendency toward eczema and for exposures involving metals, fragrances, detergents, frequent wet work or protective gloves.

A flare often moves from tingling or itch to visible blisters, then drying and peeling. Repeated inflammation can leave the skin thickened and more prone to splitting. Some people experience isolated episodes, while others have recurring or persistent symptoms that need a maintenance plan.

Risk can be higher in people with eczema or allergic skin tendencies. Frequent handwashing, prolonged moisture, sweating, friction, harsh cleansers and occupational contact with irritating substances can weaken the skin barrier. Sensitivity to certain metals may matter for some people, but dietary restriction should not begin without clinical guidance.

Diagnosis usually starts with an examination of the blister pattern and questions about timing, itch, exposures and previous flares. Similar-looking problems include fungal infection, contact dermatitis and other blistering disorders. A clinician may take skin scrapings, arrange patch testing for contact allergy or sample unusual lesions when the appearance is unclear.

Treatment depends on severity, location and whether infection is present. Cool compresses may ease weeping and discomfort. Regular fragrance-free emollient supports the barrier, while a prescribed topical corticosteroid can calm inflammation during a flare. Use the strength, amount and duration directed for the treated skin.

Persistent disease may require another anti-inflammatory medicine or supervised phototherapy such as narrowband UVB. Suspected infection needs assessment because antimicrobial treatment is useful only when an infection is identified.

Wash with lukewarm water and a gentle fragrance-free cleanser, pat rather than rub dry, and apply emollient while the skin is slightly damp. For wet work, protective gloves can reduce exposure, but sweaty gloves may worsen a flare; a clean cotton liner can help. Keep nails short and cover painful cracks with an appropriate dressing.

Scratching and fissures can disrupt the barrier and allow infection. Painful palms or soles may interfere with gripping, walking, work or sleep. Recurrent disease can also cause thickened skin and changes around the nails when nearby skin remains inflamed.

A symptom and exposure diary can reveal patterns involving products, work tasks, heat or stress. Replace fragranced or harsh products, moisturise after washing, and change out of damp socks or gloves. Continue any maintenance medicine exactly as prescribed rather than waiting for deep cracks to develop.

Arrange a dermatology visit when blisters keep returning, spread, disrupt daily activities or do not improve with basic care. Bring a list of skin products, work exposures and previous treatments. Photographs taken early in a flare can help when the skin has changed before the appointment.