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Living with Epidermolysis bullosa simplex due to plakophilin deficiency

A rare inherited form of EB simplex with widespread skin erosions, sparse hair, and thick palms and soles.

Understanding Epidermolysis bullosa simplex due to plakophilin deficiency

Epidermolysis bullosa simplex due to plakophilin deficiency is a rare form of EB simplex with widespread skin erosions and less often blisters.

It is seen in newborns and infants. Skin is fragile and scaly. Other features GARD lists include sparse hair, nail changes, thick palms and soles, and trouble sweating.

Signs & symptoms

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

  • Fragile, scaly skin
  • Sparse hair
  • Thickened palms and soles (keratoderma)
  • Nail changes
  • Decreased sweating (hypohidrosis)
  • Poor weight gain (failure to thrive)

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 PKP1 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 and National Foundation for Ectodermal Dysplasias 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, 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 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 PKP1 gene confirm this diagnosis?
How can we help with weight gain and growth?
How can we manage skin erosions and prevent overheating?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive
GenesPKP1

Changes in the PKP1 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: dsp-related ectodermal dysplasia/skin fragility syndrome; ectodermal dysplasia skin fragility syndrome; ectodermal dysplasia-skin fragility syndrome; ectodermal dysplasia/skin fragility syndrome; mcgrath syndrome; pkp1-related ectodermal dysplasia/skin fragility syndrome

Patient organizations

Source: NIH GARD · Epidermolysis bullosa simplex due to plakophilin deficiencyGARD ID 9705 · 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 due to plakophilin deficiency.

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