Hemochromatosis overview

Overview

Hemochromatosis is a condition where your body absorbs too much iron from the food you eat. Extra iron builds up in your organs, like the liver, heart, and pancreas, and over time can damage them. It is also called iron overload disorder.

Hemochromatosis is one of the most common genetic disorders in people of Northern European descent. In these populations, about 1 in 200 to 1 in 300 people have the condition that can lead to iron overload.

It affects both men and women, but men are more likely to develop symptoms earlier in life (often between ages 40 and 60). Women usually develop symptoms after menopause, when they stop losing iron through menstruation. It is rare in children, but a severe form called juvenile hemochromatosis can appear in teens and young adults.

Symptoms

Common symptoms

• Fatigue and weakness
• Joint pain, especially in the knuckles and knees
• Abdominal pain or discomfort
• Loss of interest in sex (low libido) or erectile dysfunction
• Changes in skin color – a bronze or grayish tint
• Increased thirst and urination (signs of diabetes)

Symptoms in children

• In the rare juvenile form, symptoms start early: fatigue, joint pain, and delayed puberty
• Irregular or absent menstrual periods in girls
• Heart problems such as abnormal heartbeat or heart failure

Symptoms in older adults

• Symptoms are often mistaken for normal aging
• Persistent joint pain and stiffness
• Unexplained fatigue, weakness, or weight loss
• Heart or liver problems that develop gradually

Causes

Main causes

• A genetic mutation in the HFE gene (usually the C282Y mutation) that makes your body absorb more iron from food than it needs.
• You inherit one faulty gene from each parent to develop the condition. If you inherit only one, you are a carrier and usually do not have symptoms.

Risk factors

• Having a close family member (parent, sibling, child) with hemochromatosis
• Being of Northern European (especially Celtic) ancestry
• Being male (women have natural iron loss through menstruation until menopause)
• Eating large amounts of iron supplements or vitamin C supplements (which increase iron absorption)
• Having other medical conditions that require repeated blood transfusions (this can cause secondary iron overload)

When to see a doctor

See a doctor urgently if:

• If you have symptoms like severe fatigue with abdominal pain, joint pain, or a change in skin color
• If you notice new symptoms of diabetes (excessive thirst, frequent urination) along with other possible signs of hemochromatosis

Book a routine appointment if:

• If you have a family history of hemochromatosis, even if you feel well
• If you have ongoing tiredness, joint aches, or other symptoms that won't go away and have no clear cause

Diagnosis

Your doctor will start by asking about your symptoms and family history. They will then order blood tests to check your iron levels. If those are raised, a genetic test can confirm the diagnosis.

Tests that may be done

• Blood tests: serum ferritin (measures stored iron) and transferrin saturation (shows how much iron is in your blood)
• Genetic test: looks for the HFE gene mutations (C282Y, H63D)
• Liver biopsy or MRI: sometimes used to check how much iron has built up in your liver

What to expect at your appointment

The process usually starts with a simple blood draw. If results show high iron, your doctor may repeat the test after fasting. If still high, they might recommend genetic testing. These tests are not painful and can be done at a clinic or lab. If you are diagnosed, your doctor will discuss a treatment plan to lower your iron and prevent complications.

Treatment

The main treatment is regular removal of blood (phlebotomy), which lowers iron levels over time. This is safe and effective. If you cannot have phlebotomy, medication to help remove iron (chelation therapy) may be used.

Self-care at home

• Do not take iron supplements or multivitamins containing iron unless your doctor specifically advises it.
• Limit vitamin C supplements to no more than about 200 mg per day, because vitamin C increases iron absorption.
• Avoid raw shellfish (oysters, clams) because people with iron overload are more prone to certain infections.
• Drink alcohol in moderation or not at all – alcohol can damage the liver, especially when iron levels are high.

Medical treatments

The main medical treatment is therapeutic phlebotomy – similar to donating blood. Initially, you may need it once or twice a week until your iron levels drop to normal. Then you switch to maintenance phlebotomy every few months. For people who cannot have phlebotomy, doctors may prescribe iron chelation therapy (medication that binds to excess iron so the body can remove it through urine or stool). This is less common and typically used if you have anemia or other conditions that make phlebotomy difficult.

When is surgery considered?

Surgery is not used to treat hemochromatosis itself. However, if the condition has caused severe liver damage (cirrhosis) or liver cancer, a liver transplant may be considered. This is rare and only in advanced cases.

Living with this condition

Managing hemochromatosis is mostly about keeping your iron levels in a safe range. You will have regular blood tests and phlebotomy appointments. Many people feel much better once their iron is lowered. It can be a routine part of life, like managing other long‑term conditions.

Lifestyle tips

• Attend all your phlebotomy and follow‑up appointments.
• Avoid alcohol, especially if you have liver involvement.
• Drink plenty of water – staying hydrated can help with symptoms like fatigue.
• Cook in stainless steel or glass pans – avoid cast iron cookware, which can add iron to food.

Diet and exercise

Eat a balanced diet. You do not need to avoid iron completely, but eat less red meat and avoid iron‑fortified foods (like many breakfast cereals). Vitamin C‑rich foods like oranges are fine in normal amounts – just avoid high‑dose supplements. Regular exercise, such as walking or swimming, can help with joint pain and overall well‑being.

Mental health and emotional wellbeing

Living with a chronic condition can sometimes feel stressful. You may worry about long‑term health. It is normal to feel anxious or down. Talk to your healthcare team or a counselor. Many people with hemochromatosis live full, active lives with treatment.

Prevention

Because hemochromatosis is genetic, you cannot prevent the condition itself. But you can prevent complications by catching it early through testing if you have a family history. Treatment before organ damage occurs is very effective.

Vaccines

Your doctor may recommend vaccines for hepatitis A and B to protect your liver, especially if you have iron overload in the liver. Talk to your healthcare provider about which vaccines are right for you.

Screening programmes

If you have a close relative with hemochromatosis, it is a good idea to ask your doctor about genetic testing and iron blood tests. Early detection can prevent serious health issues.

Complications

If left untreated

• Liver cirrhosis (scarring) and liver failure
• Liver cancer (hepatocellular carcinoma)
• Diabetes (from iron damage to the pancreas)
• Heart problems (cardiomyopathy, arrhythmia, heart failure)
• Arthritis and joint damage
• Hormonal issues (low sex drive, thyroid problems)

Long-term outlook

With early diagnosis and regular treatment, most people with hemochromatosis live a normal life and have a normal life expectancy. Symptoms like fatigue and joint pain often improve once iron levels are brought down. Without treatment, the condition can be serious, but the outlook is very good when you follow your medical plan. You can lead a full, active life.

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