By Dr. Vishnu Girish, MD, DM | Hepatologist in Kochi
Iron is essential for the body, but like most things the body needs, too much of it in the wrong place causes harm. Hemochromatosis is the medical term for a condition where iron accumulates progressively in organs, particularly the liver, over years, eventually causing damage if it goes unrecognised.
There are two broad categories worth understanding. Hereditary hemochromatosis is caused by inherited gene mutations, most commonly in a gene called HFE, that cause the body to absorb far more iron from food than it needs. This form is well documented and most common in people of Northern European descent, and it is genuinely uncommon as a primary diagnosis in Indian patients. Secondary iron overload, on the other hand, is more relevant in an Indian clinical context, and it typically develops from repeated blood transfusions, such as in patients with thalassemia or other chronic anaemias requiring regular transfusion support.
Iron overload in an Indian patient is far more often a story about years of transfusions than about an inherited European mutation. The cause changes the approach entirely.
Symptoms, when they do appear, are frustratingly nonspecific: persistent fatigue, joint pain, and in more advanced cases, a bronze or grey discolouration of the skin. Left unaddressed, iron accumulation in the liver can progress to fibrosis, cirrhosis, and an increased risk of liver cancer, while iron deposits in the heart and pancreas can separately cause heart problems and diabetes.
Diagnosis starts with a simple blood test
The initial screening tests, serum ferritin and transferrin saturation, are simple and widely available blood tests. If both are elevated, further evaluation follows, which may include genetic testing for hereditary hemochromatosis or, particularly in a transfusion related case, imaging or occasionally a liver biopsy to directly measure how much iron has accumulated in the liver tissue.
A mildly raised ferritin gets dismissed too often as a nonspecific inflammation marker. Sometimes it is exactly that, and sometimes it is the first clue to years of quiet iron accumulation.
Treatment differs depending on the cause. For hereditary hemochromatosis, regular therapeutic phlebotomy, essentially donating blood on a scheduled basis, is remarkably effective at lowering iron stores over time. For transfusion related iron overload, where removing blood is not an option, medications called iron chelators are used instead to help the body excrete excess iron. Both approaches, started early, can prevent the organ damage that untreated iron overload eventually causes.
If you have a persistently elevated ferritin level on routine blood work, or a history of frequent blood transfusions, it is worth specifically asking whether further iron studies are needed rather than assuming the finding is incidental. Consult a doctor to interpret elevated iron markers in the context of your full history rather than in isolation.
Frequently Asked Questions
Q: Is hemochromatosis common in India?
The classic hereditary form linked to the HFE gene is uncommon in Indian populations. Secondary iron overload from repeated blood transfusions, particularly in patients with thalassemia, is the more commonly encountered pattern here.
Q: What blood tests are used to screen for iron overload?
Serum ferritin and transferrin saturation are the standard first tests. If both are elevated, further evaluation, including genetic testing or imaging, may be recommended depending on the likely cause.
Q: How is hereditary hemochromatosis treated?
Regular therapeutic phlebotomy, removing a unit of blood on a scheduled basis, is the standard and highly effective treatment for lowering excess iron stores in hereditary hemochromatosis.
Q: Should I see a hepatologist in Kerala if my ferritin is high?
Yes, a hepatologist in Kerala can determine whether an elevated ferritin reflects true iron overload, inflammation, or another cause, and can guide the appropriate next steps for testing.
Q: Can iron overload management be followed up through an online consultation with a liver specialist in Kochi?
Yes, routine monitoring of iron levels and treatment response can often be managed through periodic online consultations with a liver specialist in Kochi, alongside scheduled blood tests.
Dr. Vishnu Girish is a hepatologist and liver specialist based in Kochi, Kerala. He offers in-person consultations at his hepatology clinic in Kochi and online consultations for patients across India. Visit liverbyvishnu.com