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Living with Familial chilblain lupus

A rare inherited skin condition with cold-triggered red bumps and patches on the fingers, toes, nose, and ears.

Understanding Familial chilblain lupus

Familial chilblain lupus is a rare inherited form of skin lupus in which cold causes red bumps or plaques.

It begins in infancy or childhood. The lesions appear mostly on the fingers, toes, nose, cheeks, and ears. Repeated sores can damage tissue, and reduced blood flow can affect these areas.

Signs & symptoms

GARD describes these features in its summary:

  • Red bumps or plaques triggered by cold
  • Lesions on the fingers, toes, nose, cheeks, and ears
  • Repeated skin sores
  • Reduced blood flow to affected areas

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, brain and nervous system specialists, genetic 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.

Care & treatment

Care team
autoimmune and inflammatory disease specialists (rheumatologists); Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
Expert care
Ask about multidisciplinary care centers for rare conditions
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 Lupus Foundation 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
How can I protect my skin from the cold?
Which treatments can prevent sores?
Can genetic testing help confirm this diagnosis?

Quick facts

Symptoms usually startInfant and as a Child
InheritanceAutosomal Dominant

Changes in genes cause this condition. It is autosomal dominant, which means a change in one copy of the gene can cause it. GARD does not name the gene.

GeneticNeurologicalSkin

Also known as: chbl; familial chilblain lupus erythematosus; hereditary chilblain lupus

Patient organizations

Source: NIH GARD · Familial chilblain lupusGARD ID 17874 · 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 Familial chilblain lupus.

Explore the Familial chilblain lupus blog

Explore research for Familial chilblain lupus

Explore actively recruiting Familial chilblain lupus studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Familial chilblain lupus with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
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  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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