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Living with Epidermolysis bullosa simplex 3, localized or generalized intermediate, with BP230 deficiency

A mild inherited form of EB simplex with blisters on the feet after injury, usually first noticed in adulthood.

Understanding Epidermolysis bullosa simplex 3, localized or generalized intermediate, with BP230 deficiency

Epidermolysis bullosa simplex 3, with BP230 deficiency, is a rare inherited form of EB simplex with mild, injury-triggered blisters.

The skin is fragile mainly at the hands and feet. Blisters mostly affect the feet, including the top of the foot. It is usually first noticed in adulthood.

Signs & symptoms

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

  • Skin blisters
  • Blisters mostly on the feet
  • Poorly formed toenails

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. Consider genetic testing

    Changes in DST 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); 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 DST gene confirm this diagnosis?
How can I prevent blisters on my feet?
Which footwear or care steps would you suggest?

Quick facts

Symptoms usually startAdult
InheritanceAutosomal Recessive
GenesDST

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

GeneticSkin

Also known as: dst-related epidermolysis bullosa simplex; ebs due to bp230 deficiency; ebs-ar bp230; ebs3; epidermolysis bullosa simplex 3, localised or generalised intermediate, with bp230 deficiency; epidermolysis bullosa simplex due to bp230 deficiency

Patient organizations

Source: NIH GARD · Epidermolysis bullosa simplex 3, localized or generalized intermediate, with BP230 deficiencyGARD ID 17690 · 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 Epidermolysis bullosa simplex 3, localized or generalized intermediate, with BP230 deficiency.

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