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Living with Hemoglobinopathy Toms River

A rare inherited blood condition that causes a bluish tint and mild anemia in newborns, easing in early months.

Understanding Hemoglobinopathy Toms River

Hemoglobinopathy Toms River is a rare inherited blood condition caused by a change in the gamma part of fetal hemoglobin.

Newborns have a bluish color (cyanosis), low hemoglobin oxygen readings without low oxygen in the arteries, and moderate anemia. It is not linked to heart or lung disease. GARD says symptoms slowly ease during the first months of life.

Signs & symptoms

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

  • Bluish skin in newborns (neonatal cyanosis)
  • Low hemoglobin oxygen saturation
  • Moderate anemia
  • More young red blood cells (reticulocytosis)

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 blood and bone marrow specialists and genetic specialists.

  3. Consider genetic testing

    Changes in HBG2 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Blood and bone marrow specialists (hematologists); Genetic specialists (geneticists)
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 doctors tell this apart from heart or lung problems?
Could genetic testing for the HBG2 gene confirm the diagnosis?
How should my baby's anemia and oxygen levels be followed?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant
GenesHBG2

It is caused by changes in the HBG2 gene. It is autosomal dominant, so one changed copy of the gene is enough to cause it.

GeneticBlood

Also known as: transient neonatal cyanosis and anaemia due to toms river haemoglobin; transient neonatal cyanosis and anemia due to toms river hemoglobin

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Hemoglobinopathy Toms RiverGARD ID 17297 · 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 Hemoglobinopathy Toms River.

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  • 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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