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Living with Iron-refractory iron deficiency anemia

A type of anemia that does not improve with iron pills and only partly improves with iron given by IV, causing tiredness and pale skin.

Understanding Iron-refractory iron deficiency anemia

Iron-refractory iron deficiency anemia is a type of anemia caused by low iron that does not respond well to iron treatment.

Anemia means too few healthy red blood cells to carry oxygen. In this type, red blood cells are small (microcytic) and pale (hypochromic). The condition does not respond to iron taken by mouth and only partly responds to iron given by IV. Symptoms are strongest in childhood but tend to be mild. Growth and development are usually normal.

Signs & symptoms

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

  • Tiredness (fatigue)
  • Weakness
  • Pale skin
  • Small, pale red blood cells
  • Low iron anemia
  • Hair loss (less common)

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 TMPRSS6 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
Can genetic testing for the TMPRSS6 gene confirm my diagnosis?
Why doesn't iron by mouth work, and what are the other options?
Which blood tests should we repeat to track my anemia?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive
GenesTMPRSS6

Changes in the TMPRSS6 gene cause this condition. It is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent.

GeneticBlood

Also known as: anemia, hypochromic microcytic, with defect in iron metabolism; irida; irida (iron-refractory iron deficiency anemia) syndrome; irida syndrome; iron-handling disorder, hereditary; iron-refractory iron deficiency anaemia

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Iron-refractory iron deficiency anemiaGARD ID 10957 · 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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