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Living with Combined immunodeficiency with skin granulomas

A rare inherited immune condition with repeated viral infections and small lumps (granulomas) in the skin and organs.

Understanding Combined immunodeficiency with skin granulomas

Combined immunodeficiency with skin granulomas is a rare inherited condition with repeated viral infections and granulomas in the skin and organs.

Granulomas are small lumps of immune cells found in the skin, mucous membranes or internal organs. B and T cells slowly decline in number and function, and antibody levels are low. Some people develop autoimmune diseases such as vitiligo, psoriasis or myasthenia gravis. Milder cases may start later in life.

Signs & symptoms

Symptoms vary from person to person. GARD describes these features:

  • Repeated viral infections
  • Granulomas in skin, mouth or organs
  • Low antibody levels
  • Autoimmune problems such as vitiligo or psoriasis
  • Low red or white blood cells

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 allergy and immune 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.

  4. Connect with expert centers

    Immune Deficiency Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Allergy and immune system specialists (allergists / immunologists); Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: Immune Deficiency 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 Immune Deficiency Foundation 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
Should we have genetic testing for the RAG1 and RAG2 genes?
Which autoimmune problems should we watch for?
How can we lower the chance of infections?

Quick facts

InheritanceAutosomal Recessive

It is caused by changes in the RAG1 and/or RAG2 genes. It is autosomal recessive, so a child inherits a changed copy from each parent.

GeneticSkin

Also known as: cid due to rag 1/2 deficiency; combined immunodeficiency due to rag 1/2 deficiency; combined immunodeficiency with granulomatosis

Patient organizations

Source: NIH GARD · Combined immunodeficiency with skin granulomasGARD ID 13587 · 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 Combined immunodeficiency with skin granulomas.

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