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Living with Engraftment syndrome

A reaction that can happen after a stem cell transplant, with fever, rash, and lung problems.

Understanding Engraftment syndrome

Engraftment syndrome is a reaction to a blood stem cell transplant that causes fever, rash, and lung problems.

It shows up around the time the new cells begin to grow in the bone marrow (engraftment). It can come on unexpectedly. It can happen after a transplant using a person's own cells or cells from a donor.

Signs & symptoms

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

  • Fever
  • Skin rash
  • Worsening lung function

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

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
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 rare disease patient organizations for support
  • 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
What symptoms after my transplant should I report right away?
How is this condition treated?
How will my lungs be monitored?

Quick facts

GARD describes this as a reaction to a hematopoietic stem cell transplant that appears when the new marrow starts to grow. It does not give a more specific cause.

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Engraftment syndromeGARD ID 11909 · 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 Engraftment syndrome.

Explore the Engraftment syndrome blog

Explore research for Engraftment syndrome

Explore actively recruiting Engraftment syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Engraftment syndrome with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • 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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