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Living with Aquagenic palmoplantar keratoderma

A skin condition in which the palms develop white bumps, burning, and tightness after brief contact with water.

Understanding Aquagenic palmoplantar keratoderma

Aquagenic palmoplantar keratoderma is a rare skin condition of the palms that appears or gets worse after brief contact with water.

Small white or shiny bumps can join into plaques on the palms. The feet are unaffected. There can be burning pain, tightness, and extra sweating. Most often it is temporary and clears within minutes to hours of drying (the "hand in the bucket sign"). A less common type has lesions that last. It is more often found in young women.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Small white bumps on the palms (white papules)
  • Extra wrinkling of the hands after water
  • Too much sweating of the palms and soles
  • Itchy palms
  • Thickened skin on the palms and soles
  • Burning pain and tightness in the palms

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include skin, hair, and nail specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

  4. Connect with expert centers

    Foundation for Ichthyosis and Related Skin Types may keep lists of experts for this condition.

Care & treatment

Care team
Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: Foundation for Ichthyosis and Related Skin Types
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Foundation for Ichthyosis and Related Skin Types and other patient organizations
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Should I be checked for cystic fibrosis or being a carrier?
Could a medicine I take be related to my symptoms?
How can I ease the burning and tightness after water contact?

Quick facts

Symptoms usually starta variety of ages

GARD says the cause is unknown but likely relates to sweating. It has been found in many people with cystic fibrosis and in carriers, which suggests changes in the CFTR gene may be involved. It is also seen with some conditions and drugs.

Skin

Also known as: aquagenic keratoderma; aquagenic syringeal acrokeratoderma; aquagenic wrinkling of palms; aquagenic wrinkling of the palms; transient reactive papulotranslucent acrokeratoderma

Patient organizations

Source: NIH GARD · Aquagenic palmoplantar keratodermaGARD ID 12991 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Aquagenic palmoplantar keratoderma.

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