Pompholyx (Dyshidrotic Eczema): Symptoms, Causes and UK Treatment

Pompholyx, also known as dyshidrotic eczema, is a common skin condition characterised by the sudden appearance of small, fluid-filled blisters on the hands or feet. Unlike standard atopic eczema, which often appears as dry patches in the creases of the elbows or knees, pompholyx is strictly limited to the palms of the hands, the sides of the fingers, and the soles of the feet.

According to NHS guidance, these blisters are usually very itchy and may cause a burning sensation. The blisters typically last for two to three weeks before they dry out and the skin begins to peel. While the condition can affect anyone, it is most frequently diagnosed in adults under the age of 40. In the UK, many patients find that their symptoms worsen during the spring and summer months or during periods of high emotional stress.

The symptoms of pompholyx often follow a predictable cycle. Recognising these signs early can help you start treatment before the skin becomes severely damaged. Common symptoms include:

• Tiny blisters: These are often described as looking like 'tapioca pudding' or small pearls under the skin. They usually appear in clusters.
• Intense itching: Often the itch precedes the appearance of the blisters.
• Burning or stinging: The skin may feel hot or painful to the touch.
• Peeling and cracking: As the blisters heal, the skin can become very dry, red, and may crack (fissures), which can be painful and prone to infection.

If the fluid in the blisters becomes cloudy or if you notice pus, this may indicate a secondary bacterial infection, which requires a GP consultation.

The exact cause of pompholyx is not fully understood, but several triggers are well-recognised in UK clinical practice. It is not contagious and cannot be passed from person to person.

Stress and Anxiety

Emotional stress is one of the most common triggers for a pompholyx flare-up. Many patients notice blisters appearing during busy periods at work or during significant life events.

Sweating (Hyperhidrosis)

Warm weather and sweaty palms or feet are closely linked to the condition. This is why cases often spike in the UK during the summer.

Contact with Irritants

Exposure to certain metals—particularly nickel or cobalt—can trigger a reaction. Additionally, frequent contact with detergents, solvents, or even repeated hand washing can strip the skin of its natural oils, making a flare-up more likely.

If you are struggling with an itchy, blistering rash on your hands or feet, you can speak to a GP online for a prompt assessment. An online doctor can often diagnose pompholyx by viewing high-quality photos of the affected area and discussing your medical history.

Consulting an online GP is particularly useful for:

• Confirming a diagnosis when self-care measures aren't working.
• Obtaining a prescription for high-potency topical corticosteroids, which are often required to settle the inflammation.
• Getting advice on how to manage chronic flares without needing to wait weeks for an in-person dermatology appointment.
• Receiving a sick note if the condition is so severe that you cannot perform manual work or use your hands comfortably.

Our clinicians follow NICE (National Institute for Health and Care Excellence) guidelines to ensure you receive evidence-based care tailored to the severity of your symptoms.

Management of pompholyx involves both treating active blisters and preventing future occurrences. The primary treatments include:

Topical Steroids

For most moderate to severe cases, a GP will prescribe a strong corticosteroid cream or ointment (such as betamethasone or clobetasol). These should be used sparingly and only for short periods as directed to reduce inflammation.

Emollients (Moisturisers)

Standard soaps can aggravate pompholyx. Instead, use an emollient soap substitute. Thick, plain moisturisers should be applied frequently throughout the day to repair the skin barrier, especially after the blisters have dried and the skin begins to peel.

Soaking Treatments

If the blisters are very 'weeping' or 改 oozing, some patients find relief by soaking their hands in a weak solution of potassium permanganate (which must be diluted correctly to avoid burns). This helps to dry out the blisters and has antiseptic properties.

Antihistamines

While they don't treat the blisters directly, non-drowsy antihistamines (like cetirizine or loratadine) can help reduce the sensation of itching, particularly at night.

In addition to medical treatment, making small changes to your daily routine can significantly reduce the frequency of pompholyx flares:

• Wear cotton-lined gloves: When doing housework or gardening, protect your hands from chemicals and water.
• Avoid nickel: If you are sensitive to metals, try to avoid direct contact with nickel-plated items.
• Lukewarm water: Wash your hands with lukewarm water rather than hot water, and pat them dry gently rather than rubbing.
• Manage stress: Techniques such as mindfulness or cognitive behavioural therapy (CBT) can help if stress is a primary trigger for your skin.