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Living with Autosomal recessive hypohidrotic ectodermal dysplasia syndrome

A rare inherited condition that affects how skin, hair, nails, teeth, and sweat glands develop.

Understanding Autosomal recessive hypohidrotic ectodermal dysplasia syndrome

Autosomal recessive hypohidrotic ectodermal dysplasia syndrome is a rare condition that affects the skin, hair, nails, teeth, and sweat glands from before birth.

People may sweat less than usual, which makes it harder for the body to cool off and can lead to high body temperature in hot weather. Hair is often thin, light, and slow-growing. Teeth may be missing or small and pointed, and may come in late. Most people have typical growth and intellectual ability.

Signs & symptoms

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

  • Less sweating than usual (hypohidrosis)
  • Fine, thin hair or hair loss
  • Missing or small, differently shaped teeth
  • Early loss of baby teeth
  • Dry skin
  • Nail 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 eye disease specialists, genetic specialists, gum, teeth and mouth 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

    National Foundation for Ectodermal Dysplasias may keep lists of experts for this condition.

Care & treatment

Care team
Eye disease specialists (ophthalmologists); Genetic specialists (geneticists); Gum, teeth and mouth specialists (odontologists); Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: National Foundation for Ectodermal Dysplasias
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 National Foundation for Ectodermal Dysplasias 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
Can genetic testing find which gene is involved?
How can we prevent overheating in hot weather?
Which dental specialist should we see for missing or small teeth?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive

Changes in genes (also called variants) cause this condition. It is autosomal recessive, so a child inherits a changed copy of a gene from each parent.

GeneticSkin

Also known as: ar-hed; autosomal recessive anhidrotic ectodermal dysplasia; autosomal recessive hypohidrotic ectodermal dysplasia; hypohidrotic autosomal recessive ectodermal dysplasia; hypohidrotic ectodermal dysplasia, autosomal recessive

Patient organizations

Source: NIH GARD · Autosomal recessive hypohidrotic ectodermal dysplasia syndromeGARD ID 2057 · 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 Autosomal recessive hypohidrotic ectodermal dysplasia syndrome.

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