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Haemochromatosis is an inherited condition that causes the blood to absorb too much iron.

Haemochromatosis is an inherited condition that causes the blood to absorb too much iron.
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Haemochromatosis is an inherited condition that causes the body to absorb too much iron. If it is not treated, haemochromatosis can lead to organ damage. A number of blood tests can be done to see if you have haemochromatosis. Treatment to control the condition is readily available but is needed throughout life.

What is haemochromatosis?

In people with haemochromatosis, too much iron is absorbed from the gut, leading to iron overload.

The human body controls iron levels by absorbing just the right amount of iron from our food. It has no method of excreting excess iron - any excess is stored in organs and joints in the body. This can lead to damage to the liver, heart and pancreas.

Haemachromatosis causes

Haemachromatosis is the most common genetic disorder in Australia. It is caused by an abnormal gene, carried by 1 in 200 people of northern European origin. This gene is usually inherited from a parent.

People who carry the abnormal gene might have haemochromatosis, or they might not.

Haemachromatosis symptoms

Most people develop symptoms between 30 and 60 years. Early on, most people have no symptoms.

Symptoms may include:

Without treatment, organ damage can lead to:

Haemachromatosis screening

If someone in the family has haemochromatosis, you can have genetic testing to see if you carry the gene.

Haemachromatosis diagnosis

A blood test can see how much iron you have in your blood. Haemochromatosis is not the only cause of having too much iron in your blood. Other tests will be needed, such as genetic testing.

Sometimes a liver biopsy (taking a small tissue sample) is done to see if there is damage to the liver.

Haemachromatosis treatments

There is no cure for haemochromatosis, but treatments can keep it under control.

You can help maintain your health by:

  • following a low iron diet, if suggested by your doctor
  • avoiding vitamin C supplements, as these increase iron absorption
  • limiting alcohol consumption or stopping drinking alcohol completely if your liver is damaged.

You might also be advised to have some blood taken out of your body regularly. This is known as venesection. If it is done regularly, venesection lowers your iron levels and can lead to an improvement in your health.

Help and support groups

Contact Haemochromatosis Australia to get more information about support groups for haemochromatosis.

Last reviewed: October 2016

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