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Living with Neutropenia, lethal congenital, with eosinophilia

A rare, serious condition in newborns involving repeated infections and unusual white blood cell counts.

Understanding Neutropenia, lethal congenital, with eosinophilia

Neutropenia, lethal congenital, with eosinophilia is a rare, serious condition of newborns involving a lack of neutrophils, a type of infection-fighting white blood cell.

This condition affects newborns. It is marked by repeated infections, no neutrophils, and a higher than normal number of eosinophils. Neutrophils and eosinophils are both white blood cells that help the body fight infections.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Based on its summary, the main features are:

  • Repeated infections
  • No neutrophils (a type of white blood cell)
  • More eosinophils than normal (another white blood cell)

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
How can we lower the chance and impact of infections for my baby?
What blood tests are used to track neutrophil and eosinophil counts?
Would genetic counseling help our family understand the inheritance?

Quick facts

InheritanceAutosomal Recessive

GARD doesn't describe a cause for this condition yet. It is inherited in an autosomal recessive way, meaning a child inherits a changed copy of the gene from each parent.

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Neutropenia, lethal congenital, with eosinophiliaGARD ID 6107 · 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

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