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Living with Ichthyosis-oral and digital anomalies syndrome

A rare condition with scaly skin, a small mouth, and differences in the fingers.

Understanding Ichthyosis-oral and digital anomalies syndrome

Ichthyosis-oral and digital anomalies syndrome is a rare condition with scaly skin, a small mouth, and differences in the shape of the fingers.

GARD says it has been described in two siblings whose parents were first cousins. Signs may begin in the newborn period or infancy.

Signs & symptoms

Symptoms vary from person to person. GARD describes these features:

  • Scaly skin (ichthyosis)
  • Small mouth with a thin upper lip
  • Lower lip with a groove in the middle
  • Tapered fingers
  • No creases at the end of the fingers
  • Wide space between second and third fingers

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. 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
Genetic specialists (geneticists); 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
How should we care for the skin?
Would genetic counseling help our family?
Do the finger differences need any specialist follow-up?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive

GARD says changes in genes cause this condition. It appears to be inherited in an autosomal recessive pattern, meaning a child inherits a changed copy of the gene from each parent.

GeneticSkin

Also known as: clayton smith-donnai syndrome; oral and digital anomalies with ichthyosis

Patient organizations

Source: NIH GARD · Ichthyosis-oral and digital anomalies syndromeGARD ID 2960 · 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 Ichthyosis-oral and digital anomalies syndrome.

Explore the Ichthyosis-oral and digital anomalies syndrome blog

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