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Living with Xeroderma pigmentosum-Cockayne syndrome complex

A rare inherited condition that combines sun-sensitive skin changes with nervous system and growth problems.

Understanding Xeroderma pigmentosum-Cockayne syndrome complex

Xeroderma pigmentosum-Cockayne syndrome complex combines the skin features of xeroderma pigmentosum with the whole-body and nervous system features of Cockayne syndrome.

People have the skin signs of xeroderma pigmentosum (XP), which involves sun sensitivity. They also have the body-wide and brain and nerve features of Cockayne syndrome. GARD lists onset in the newborn and infant years.

Signs & symptoms

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

  • Global developmental delay
  • Intellectual disability
  • Small head size (microcephaly)
  • Poor coordination (ataxia)
  • Hearing loss
  • Dry skin and many freckles

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, cancer specialists, ear, nose, and throat specialists and eye disease 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

    National Ataxia Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Cancer specialists (oncologists); Ear, nose, and throat specialists (otolaryngologists); Eye disease specialists (ophthalmologists)
Expert care
Expert lists: National Ataxia Foundation
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 Cockayne Syndrome Foundation 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
Could genetic testing identify the exact gene involved?
How can we protect the skin and eyes from sunlight?
Which specialists should follow nerves, hearing and eyes?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive

GARD says this condition is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent. It doesn't list a specific gene here.

GeneticNeurologicalSkin

Also known as: xeroderma pigmentosum and cockayne syndrome complex; xp/cs complex

Patient organizations

Source: NIH GARD · Xeroderma pigmentosum-Cockayne syndrome complexGARD ID 17130 · 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 Xeroderma pigmentosum-Cockayne syndrome complex.

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