Iron Overload

At Montefiore Einstein Hematology (Blood Disorders), you can access exceptional care for iron overload. As a global leader in hematology, we are an academic-based, national and international referral site for the most complex and high-risk cases. For over a century, we have been at the forefront of innovation, research and clinical care for all types of blood disorders.

Our team of world-renowned hematologists is passionate about uncovering the latest diagnostic approaches and treatments that can improve outcomes.

At Montefiore Einstein Hematology (Blood Disorders), you can expect compassionate, personalized, research-driven treatment plans that meet the highest standards for quality and safety. By combining innovative therapies with proactive patient outreach, we strive to elevate the standard of care and significantly enhance outcomes for those living with iron overload.

When you need iron overload care, turn to our dedicated providers who will develop a highly personalized treatment plan.

Montefiore Einstein offers the following content from Healthwise’s health information library.

What Is Iron Overload?

Iron overload, or hemochromatosis, is a condition in which excess iron accumulates in the body, leading to potential organ damage. The body absorbs more iron than it needs, and since the body has no natural mechanism to eliminate excess iron, it builds up in organs such as the liver, heart and pancreas. If left untreated, iron overload can result in complications such as liver cirrhosis, diabetes, heart disease and joint pain. Early detection and management are essential for preventing long-term health issues.

Types of Iron Overload

There are two main types of iron overload. Hereditary hemochromatosis is the most common form and is caused by a genetic mutation that leads to excessive iron absorption. It is an autosomal recessive disorder, meaning both parents must carry the gene for their child to inherit the condition. Symptoms usually do not appear until middle age, as iron accumulates gradually over time. Secondary iron overload, or acquired hemochromatosis, is caused by other medical conditions or treatments. Frequent blood transfusions, excessive iron supplementation, chronic liver disease, alcohol use disorder and certain blood disorders, such as thalassemia or myelodysplastic syndromes, can lead to excess iron in the body. Understanding the type of iron overload is crucial for determining the most effective treatment approach.

Causes of Iron Overload

Iron overload can be caused by genetic mutations, excessive iron supplementation, repeated blood transfusions or underlying health conditions. Hereditary hemochromatosis is the result of a gene mutation that increases iron absorption in the intestines. Acquired iron overload can develop due to chronic liver disease, excessive alcohol consumption or frequent blood transfusions required for treating anemia and other blood disorders. Individuals who do not menstruate or are postmenopausal are also at higher risk for iron buildup.

Signs & Symptoms of Iron Overload

Symptoms of iron overload often do not appear until a significant amount of iron has accumulated in the body. Early signs may include fatigue, weakness, joint pain and weight loss. As the condition progresses, individuals may experience frequent urination, abdominal pain, darkened skin or symptoms of diabetes. If excess iron builds up in the heart or liver, it can lead to life-threatening complications such as heart failure or liver cirrhosis. Because symptoms are often subtle, iron overload is sometimes mistaken for other conditions, making early screening and diagnosis critical.

Diagnosing Iron Overload

Diagnosis of iron overload involves a combination of medical history assessment, physical examination and specialized blood tests. A serum ferritin test measures iron storage levels, while a transferrin saturation test determines how much iron is carried in the blood. If these tests suggest iron overload, genetic testing can confirm hereditary hemochromatosis. In some cases, a special magnetic resonance imaging (MRI) scan of the liver or a liver biopsy may be required to assess iron levels in the liver and detect any existing damage. Family members of individuals diagnosed with hereditary hemochromatosis may also consider genetic screening to determine their risk.

Treating Iron Overload

Treatment for iron overload depends on its cause and severity. The most common treatment is phlebotomy, a procedure similar to blood donation, where blood is removed at regular intervals to reduce iron levels. Some centers are able to use this blood for blood donation. In cases where phlebotomy is not an option, iron chelation therapy may be used to help the body eliminate excess iron through medication. Long-term management includes routine monitoring of iron levels, dietary adjustments to avoid excess iron intake and limiting alcohol consumption to reduce the risk of liver damage. With proper treatment, individuals with iron overload can prevent complications and live a normal life.