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Living with Late-onset junctional epidermolysis bullosa

A mild form of junctional epidermolysis bullosa with blisters around the nails that starts in childhood or young adulthood.

Understanding Late-onset junctional epidermolysis bullosa

Late-onset junctional epidermolysis bullosa is a form of junctional epidermolysis bullosa with blistering that starts in childhood or young adulthood.

Blistering first occurs around the nails, with nail changes and loss, and then affects the hands and feet and, to a lesser extent, the elbows and knees. Blisters heal with thin scars. Fingerprints can disappear, and palms and soles may sweat more. Problems outside the skin are limited to soft tissue changes in the mouth and tooth enamel defects with cavities.

Signs & symptoms

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

  • Blistering skin
  • Fragile skin
  • Poorly formed or missing nails
  • Missing fingerprints
  • Weak tooth enamel
  • Cavities

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, gum, teeth and mouth specialists and skin, hair, and nail specialists.

  3. Consider genetic testing

    Changes in COL17A1 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  4. Connect with expert centers

    DEBRA of America may keep lists of experts for this condition.

Care & treatment

Care team
Genetic specialists (geneticists); Gum, teeth and mouth specialists (odontologists); Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: DEBRA of America
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 DEBRA of America 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 for the COL17A1 gene confirm the diagnosis?
How can I protect my hands and feet from blisters?
What dental care is best for weak enamel?

Quick facts

Symptoms usually startfrom Childhood to Adulthood
InheritanceAutosomal Recessive
GenesCOL17A1

Changes in the COL17A1 gene cause this condition. It is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent.

GeneticSkin

Also known as: eb progressive; epidermolysis bullosa progressiva; jeb-lo; late-onset jeb

Patient organizations

Source: NIH GARD · Late-onset junctional epidermolysis bullosaGARD ID 12921 · 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 Late-onset junctional epidermolysis bullosa.

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