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Living with Fasciitis with eosinophilia syndrome

A very rare condition in which the layer under the skin swells and thickens, often causing swelling in the hands, arms, legs and feet.

Understanding Fasciitis with eosinophilia syndrome

Fasciitis with eosinophilia syndrome, or eosinophilic fasciitis, is a very rare condition in which the fascia under the skin becomes swollen and thick.

Swelling can happen quickly in the hands, arms, legs, and feet. A type of white blood cell called eosinophils builds up in the affected tissue. It looks like scleroderma, but internal organs are usually not involved. It is listed as starting in adulthood.

Signs & symptoms

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

  • Swelling (edema) in hands, arms, legs and feet
  • Joint pain and arthritis
  • Muscle aches
  • Tiredness (fatigue)
  • High eosinophil count in the blood
  • Firm lumps under the skin

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 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

    American Partnership For Eosinophilic Disorders, Autoimmune Association and Global Autoimmune Institute may keep lists of experts for this condition.

Care & treatment

Care team
autoimmune and inflammatory disease specialists (rheumatologists); Brain and nervous system specialists (neurologists); Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: American Partnership For Eosinophilic Disorders, Autoimmune Association, Global Autoimmune Institute
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 American Partnership For Eosinophilic Disorders 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
Which tests confirm the diagnosis?
How is it treated, and how will we know it's working?
How is it different from scleroderma in my case?

Quick facts

Symptoms usually startAdult
InheritanceAutosomal Recessive

The exact cause is unknown.

NeurologicalSkin

Also known as: diffuse fasciitis with eosinophilia; eosinophilic fasciitis; eosinophilic fasciitis (disease); shulman syndrome; shulman's syndrome

Patient organizations

Source: NIH GARD · Fasciitis with eosinophilia syndromeGARD ID 6351 · 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 Fasciitis with eosinophilia syndrome.

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