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Living with Ehlers-Danlos syndrome, classic type

An inherited connective tissue condition with stretchy fragile skin, poor wound healing, and loose joints.

Understanding Ehlers-Danlos syndrome, classic type

Classical Ehlers-Danlos syndrome (EDS) is an inherited connective tissue condition caused by defects in a protein called collagen.

Common symptoms include skin that stretches more than usual, wounds that heal poorly, and joint hypermobility. More than 90 percent of people with classical EDS have changes in the COL5A1 or COL5A2 gene. Signs begin between birth and childhood.

Signs & symptoms

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

  • Stretchy, fragile skin
  • Poor wound healing and thin, wide scars
  • Very flexible joints
  • Low muscle tone
  • Tiredness
  • Stomach and bowel problems (reflux, constipation)

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 autoimmune and inflammatory disease specialists, bone and joint specialists, digestive system specialists and genetic 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

    Ehlers-Danlos Society and Bobby Jones Chiari & Syringomyelia Foundation may keep lists of experts for this condition.

Care & treatment

Care team
autoimmune and inflammatory disease specialists (rheumatologists); Bone and joint specialists (orthopedists or orthopedic surgeons); Digestive system specialists (gastroenterologists); Genetic specialists (geneticists)
Expert care
Expert lists: Ehlers-Danlos Society, Bobby Jones Chiari & Syringomyelia 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 Ehlers-Danlos Society 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
Would genetic testing for COL5A1 or COL5A2 help our family?
How should wounds be cared for to limit scarring?
How can I protect my joints?

Quick facts

Symptoms usually startfrom Birth to Childhood
InheritanceAutosomal Dominant

GARD says changes in the COL5A1 or COL5A2 genes cause most cases, and sometimes the COL1A1 gene. It is autosomal dominant, meaning one changed copy of the gene can cause it.

GeneticGastrointestinalSkin

Also known as: ceds; classical eds; classical ehlers-danlos syndrome; eds, classic type; ehlers-danlos syndrome classic type; ehlers-danlos syndrome classical type

Patient organizations

Source: NIH GARD · Ehlers-Danlos syndrome, classic typeGARD ID 2088 · 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 Ehlers-Danlos syndrome, classic type.

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