Complications of Haemochromatosis
Complications of Haemochromatosis The complications of haemochromatosis occur when excess iron builds up in organs and tissues, leading to damage over time. If left untreated, the complications of haemochromatosis can be severe and include liver cirrhosis, diabetes, heart disease, arthritis, and hormonal imbalances. Fortunately, early diagnosis and treatment can prevent or limit most of these outcomes. Haemochromatosis causes the body to absorb more iron than it needs. Over years, this iron accumulates silently, as the body has no natural mechanism to excrete excess iron efficiently. Once stores exceed safe levels, iron begins to deposit in vital organs, disrupting their normal function and potentially leading to life-threatening illness. 1. Liver Complications The liver is one of the first organs affected by iron overload. Common liver-related complications: Hepatomegaly (enlarged liver) Fibrosis (scarring) Cirrhosis – a significant risk factor for liver failure and liver cancer Hepatocellular carcinoma (HCC) – a rare but serious consequence of long-term iron overload Patients with cirrhosis require: Regular imaging (ultrasound) Blood tests (alpha-fetoprotein) to screen for liver cancer Avoidance of alcohol and hepatitis co-infection Liver damage may be partially reversible if treatment begins before cirrhosis develops. 2. Diabetes and Pancreatic Dysfunction Iron deposits in the pancreas disrupt insulin production, leading to type 2 diabetes mellitus. Symptoms include: Increased thirst and urination Fatigue and blurred vision Weight changes Known as “bronze diabetes” when combined with skin pigmentation changes, this complication may require insulin therapy or oral hypoglycaemic agents. Even after iron levels are controlled, pancreatic damage may persist. 3. Heart Complications Excess iron can infiltrate the heart muscle, leading to: Cardiomyopathy – weakening of the heart muscle Arrhythmias – irregular heart rhythms Heart failure – reduced pumping efficiency These complications may cause: Breathlessness Swelling in the legs Fatigue and reduced exercise tolerance Treatment includes iron removal, cardiac medications, and in some cases, implantable devices like pacemakers. 4. Joint and Musculoskeletal Problems Iron can accumulate in the joints, particularly the hands, hips, and knees. Common issues: Arthropathy (joint disease) Osteoarthritis-like symptoms Stiffness and chronic pain Reduced grip strength Unfortunately, joint symptoms often do not improve even after iron reduction, making pain management and physiotherapy important. 5. Skin Discolouration Iron deposits in the skin can cause: Grey-brown or bronze pigmentation Often noticeable on the face, neck, and forearms This gives rise to the term “bronze diabetes” when combined with glucose intolerance. Skin tone often improves with ongoing treatment. 6. Hormonal and Sexual Dysfunction Iron affects hormone-producing glands, particularly the pituitary gland, resulting in: Hypogonadism – reduced sex hormone production Erectile dysfunction or reduced libido Amenorrhoea or infertility in women Thyroid and adrenal gland dysfunction (less common) Hormone replacement therapy may be needed in these cases. 7. Fatigue and Cognitive Issues Fatigue is one of the most commonly reported symptoms, even in early stages: May persist even after iron levels normalise Possibly due to long-term inflammation or organ damage Affects quality of life, work, and mental health Some patients report: Brain fog Concentration difficulties Mood changes These issues may improve with treatment but often require holistic care. 8. Increased Risk of Certain Infections Iron is essential for bacterial growth. Excess iron may predispose individuals to infections, including: Listeria monocytogenes Yersinia enterocolitica Vibrio vulnificus These pathogens thrive in iron-rich environments, particularly in those undergoing iron chelation therapy. Awareness and appropriate hygiene precautions are important. 9. Long-Term Disability If complications are not managed in time, they may lead to: Permanent organ dysfunction Reduced mobility Dependence on medication or assistive devices Shortened life expectancy Late-stage diagnosis often involves multiple overlapping complications. Preventing Complications The best way to avoid these outcomes is through: Early detection Regular phlebotomy Routine monitoring of iron and organ function Family screening to identify at-risk relatives Even those with early organ damage may stabilise or improve with consistent management. Conclusion | Complications of Haemochromatosis The complications of haemochromatosis can affect many parts of the body. If the condition is not treated early, extra iron can build up and damage important organs like the liver, heart, pancreas, and joints. Over time, this may lead to serious problems such as liver disease, heart issues, diabetes, arthritis, and hormone imbalances. However, with early diagnosis and regular treatment—such as blood removal (phlebotomy) to lower iron levels—most of these complications can be prevented or even reversed. That’s why routine check-ups and blood tests are so important, especially for people with a family history of the condition. By learning about the possible complications, patients and healthcare providers can work together to catch problems early, plan better care, and support long-term health. [Next: Back to Overview →]









