Skip to content
knowrare
HealthSignal
Your condition community

Living with Hemochromatosis type 5

A very rare inherited condition in which extra iron builds up in the body, reported in only one family.

Understanding Hemochromatosis type 5

Hemochromatosis type 5, also called FTH1-related iron overload, is a very rare inherited condition in which too much iron builds up in the body.

GARD says it has only been reported in one family from Japan. Family members with the condition had no symptoms. But MRI showed extra iron in the liver, heart, and bone marrow, and blood iron levels were high. Because it is so rare, it may not be suspected until a scan or blood test shows it.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet.

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 digestive system specialists and genetic specialists.

  3. Consider genetic testing

    Changes in FTH1 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
Digestive system specialists (gastroenterologists); 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
Could genetic testing for the FTH1 gene confirm the diagnosis?
Which tests, like MRI or blood tests, should be repeated and how often?
Should my relatives be tested?

Quick facts

InheritanceAutosomal Dominant
GenesFTH1

It is caused by changes in the FTH1 gene. It is autosomal dominant, so one changed copy of the gene is enough to cause it.

GeneticGastrointestinalInherited Metabolic

Also known as: ferritin heavy chain 1-related iron overload; fth1 (ferritin heavy chain 1) related iron overload; fth1 hereditary hemochromatosis; fth1-associated iron overload; fth1-related iron overload; hereditary hemochromatosis caused by mutation in fth1

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Hemochromatosis type 5GARD ID 13472 · 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 Hemochromatosis type 5.

Explore the Hemochromatosis type 5 blog

Explore research for Hemochromatosis type 5

Explore actively recruiting Hemochromatosis type 5 studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Hemochromatosis type 5 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

Powered by HealthSpark, our AI chat helper

I can help you find recruiting Hemochromatosis type 5 studies. Enter a ZIP code, address or city below and I'll look within 50 miles.

Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

Get Signals for Hemochromatosis type 5

Stay in the loop with community stories and updates from medical researchers.

HealthStoryfor Hemochromatosis type 5

Create a living journal that talks back

HealthStory evolves private journaling with a living AI journal that talks back and asks thoughtful questions, helping you capture your Hemochromatosis type 5 experiences more deeply and prepare for better conversations with your doctors and care team.

Start your journal

Your journal is private. Sharing your story publicly is a separate choice, made with Share your story above.