Hereditary Hemochromatosis

Hereditary hemochromatosis is a genetic disorder characterized by excessive iron accumulation in the body, leading to tissue damage and organ dysfunction. It is an autosomal recessive condition, meaning that an individual must inherit two copies of the mutated gene (one from each parent) to develop the disease.

Causes and Risk Factors

The most common cause of hereditary hemochromatosis is a mutation in the HFE gene, which codes for a protein involved in iron regulation. Other genes, such as HJV, HAMP, and TFR2, can also be affected, leading to similar symptoms. The risk factors for developing hereditary hemochromatosis include:

  • Family history: Having a first-degree relative (parent or sibling) with the condition increases the risk.
  • Genetic predisposition: Individuals of European descent, particularly those from Celtic or Nordic backgrounds, are more likely to develop hereditary hemochromatosis.
  • Age: Symptoms typically appear in mid-life, between the ages of 30 and 60.

Symptoms

The symptoms of hereditary hemochromatosis can vary depending on the severity of iron accumulation and the organs affected. Common symptoms include:

Diagnosis

Diagnosing hereditary hemochromatosis typically involves a combination of the following tests:

Treatment and Management

Treatment for hereditary hemochromatosis typically involves:

  • Phlebotomy: Regular blood draws to reduce iron levels.
  • Iron chelation therapy: Medications that bind to excess iron, making it easier to excrete.
  • Lifestyle modifications: Avoiding iron supplements, reducing alcohol consumption, and maintaining a healthy diet.

Complications and Prognosis

If left untreated, hereditary hemochromatosis can lead to serious complications, including:

Early diagnosis and treatment can significantly improve the prognosis for individuals with hereditary hemochromatosis, reducing the risk of complications and improving quality of life.

Frequently Asked Questions (FAQs)

What is Hereditary Hemochromatosis?
A genetic disorder causing excessive iron absorption and accumulation in the body.

What are the common symptoms of Hereditary Hemochromatosis?
Fatigue, joint pain, skin discoloration, and potentially liver disease, diabetes, or heart problems.

How is Hereditary Hemochromatosis inherited?
It is typically an autosomal recessive disorder, meaning two copies of the mutated gene are needed to express the condition.

What are the genetic mutations associated with Hereditary Hemochromatosis?
Most commonly, mutations in the HFE gene, specifically C282Y and H63D.

Can Hereditary Hemochromatosis be diagnosed through genetic testing?
Yes, genetic testing can identify mutations in the HFE gene, but it may not detect all cases or predict disease severity.

What is the role of iron overload in Hereditary Hemochromatosis?
Excessive iron accumulation can lead to tissue damage and organ dysfunction, particularly in the liver, heart, and pancreas.

How is Hereditary Hemochromatosis typically treated?
Phlebotomy, or regular blood draws, to reduce iron levels, and potentially chelation therapy or dietary changes.

Can diet play a role in managing Hereditary Hemochromatosis?
Possibly, avoiding excessive iron intake and vitamin C, which can increase iron absorption, may be beneficial.

Are there any potential complications of untreated Hereditary Hemochromatosis?
Potentially, liver cirrhosis, liver cancer, heart failure, and other organ damage if left untreated or undertreated.

Is screening recommended for family members of individuals with Hereditary Hemochromatosis?
Generally, yes, as first-degree relatives may be at increased risk of carrying the mutated gene or developing the condition.

Article last updated on: 18th October 2025.
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