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Living with Isolated congenital digital clubbing

A rare skin-related condition present from birth in which the ends of the fingers and toes are enlarged and the nails are thick.

Understanding Isolated congenital digital clubbing

Isolated congenital digital clubbing is a rare condition with enlarged fingertips and toe tips and thickened nails, without other problems.

The ends of the fingers and toes are enlarged, and the nails are thick and curved. It starts in newborns and infants. GARD describes it as occurring without any other abnormality.

Signs & symptoms

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

  • Clubbing of fingers
  • Clubbing of toes
  • Broad fingertips and toes
  • Broad nails
  • Thick nails
  • Nails that curve more than usual

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 genetic specialists and skin, hair, and nail specialists.

  3. Consider genetic testing

    Changes in HPGD are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
Expert care
Ask about multidisciplinary care centers for rare conditions
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 Children's Skin Disease Foundation
  • 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
Can genetic testing for the HPGD gene confirm the diagnosis?
How is this different from clubbing caused by other conditions?
How should we care for thick or curved nails?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant, Autosomal Recessive
GenesHPGD

Changes in the HPGD gene cause this condition. It can be inherited in an autosomal dominant way (one changed copy is enough) or an autosomal recessive way (a changed copy from each parent).

GeneticSkin

Also known as: acropachy; acropachy, hereditary; clubbing of digits; hereditary acropachy; hereditary clubbing; hippocratic fingers

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Isolated congenital digital clubbingGARD ID 17117 · 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 Isolated congenital digital clubbing.

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