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Living with Intellectual disability-polydactyly-uncombable hair syndrome

A rare syndrome with intellectual disability, extra fingers or toes, uncombable hair, and facial differences.

Understanding Intellectual disability-polydactyly-uncombable hair syndrome

Intellectual disability-polydactyly-uncombable hair syndrome is a rare syndrome with multiple birth differences, including intellectual disability and uncombable hair.

Features include extra fingers or toes on the outer side (postaxial polydactyly), joined toes, small finger bones, and distinct facial features. Undescended testes, hearing loss from the middle ear, and a forward curve of the upper spine were also reported. It is present from birth.

Signs & symptoms

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

  • Intellectual disability
  • Uncombable hair
  • Extra fingers or toes (polydactyly)
  • Joined toes (2-3 syndactyly)
  • Ear shape differences
  • Palate differences

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 brain and nervous system specialists and genetic specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
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 rare disease patient organizations for support
  • 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
Which hearing tests does my child need?
Can genetic testing help find the cause?
Should an orthopedic specialist check the spine and hands?

Quick facts

Symptoms usually startNewborn

GARD doesn't describe a cause for this condition yet.

GeneticNeurological

Also known as: intellectual disability, polydactyly, uncombable hair syndrome; kozlowski krajewska syndrome; kozlowski-krajewska syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Intellectual disability-polydactyly-uncombable hair syndromeGARD ID 3141 · 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 Intellectual disability-polydactyly-uncombable hair syndrome.

Explore the Intellectual disability-polydactyly-uncombable hair syndrome blog

Explore research for Intellectual disability-polydactyly-uncombable hair syndrome

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HealthSpark

Find actively recruiting studies for Intellectual disability-polydactyly-uncombable hair syndrome with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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