Wilson Disease

Overview

Wilson disease is a rare inherited condition in which the body cannot properly remove extra copper. Copper is a mineral that everyone needs in small amounts, but too much can build up and become harmful. In Wilson disease, copper may collect mainly in the liver, but it can also affect the brain, eyes, kidneys, blood, and other organs.

The condition is usually present from birth, but symptoms may appear later in childhood, adolescence, or adulthood. Some people are diagnosed before they feel unwell because a family member has the condition or because blood tests show liver changes. With careful medical care and long-term follow-up, copper levels can often be controlled and organ damage may be limited.

Symptoms

Symptoms of Wilson disease vary widely. Some people mainly have liver-related symptoms, while others develop neurological or psychiatric symptoms. In some cases, symptoms are mild at first and progress slowly.

• Fatigue, weakness, or reduced appetite
• Nausea, abdominal discomfort, or swelling of the abdomen
• Yellowing of the skin or eyes, known as jaundice
• Easy bruising, nosebleeds, or swelling in the legs
• Abnormal liver blood tests, sometimes found during routine testing
• Tremor, poor coordination, stiffness, or difficulty with speech or swallowing
• Changes in handwriting, balance, or walking
• Mood changes, anxiety, depression, irritability, or difficulty concentrating
• Dark rings around the colored part of the eye, which may be seen during an eye examination

Symptoms can sometimes resemble other liver, neurological, or mental health conditions. This is why specialist assessment is important when Wilson disease is suspected.

Causes and Risk Factors

Wilson disease is caused by changes in a gene involved in copper transport. When this gene does not work properly, the liver cannot release extra copper into bile for removal from the body. Over time, copper builds up in the liver and may then enter the bloodstream and affect other organs.

The condition is inherited in an autosomal recessive pattern. This means a person usually develops Wilson disease only when they receive an altered gene from both parents. Parents may be healthy carriers and not know they carry the gene. Brothers and sisters of a person with Wilson disease have a higher chance of also having the condition or being carriers.

A family history of Wilson disease is the most important risk factor. However, it may also occur in families with no known previous diagnosis, especially if relatives were never tested or symptoms were attributed to another condition.

Diagnosis

Diagnosis may involve a combination of medical history, physical examination, laboratory tests, imaging, and specialist evaluations. No single test is always enough on its own, so doctors usually interpret several findings together.

• Blood tests may check liver function, copper-related proteins, blood counts, and other markers of health.
• Urine tests may measure how much copper is being removed from the body over a set period.
• An eye examination may look for characteristic copper deposits in the cornea.
• Imaging tests may be used to assess the liver or brain when needed.
• Genetic testing may help confirm the diagnosis and identify affected relatives.
• In selected cases, a liver tissue test may be considered to measure copper content or evaluate liver damage.

Because Wilson disease can affect several organs, care may involve gastroenterology, hepatology, neurology, ophthalmology, genetics, and mental health specialists, depending on the individual situation.

Treatment Options

Treatment aims to reduce excess copper, prevent further buildup, protect organs, and manage symptoms. Wilson disease usually requires long-term treatment and regular monitoring, even when a person feels well.

Doctors may prescribe medicines that help remove copper from the body or reduce copper absorption from food. The choice of treatment depends on symptoms, liver function, age, pregnancy considerations, side effects, and previous response to therapy. Treatment plans should be followed exactly as advised by the medical team, because stopping treatment can allow copper to build up again.

Dietary guidance may also be recommended, especially during the early phase of treatment. This may include avoiding foods that are naturally high in copper. Patients should not make major dietary changes or use supplements without medical advice, as nutritional balance is important.

If Wilson disease has caused advanced liver damage, additional treatments may be needed to manage complications. In severe cases of liver failure or end-stage liver disease, liver transplantation may be discussed by the specialist team. Neurological, speech, swallowing, movement, or mental health symptoms may also require supportive therapies and rehabilitation.

Regular follow-up is essential. Monitoring may include blood and urine tests, assessment of liver health, review of symptoms, and adjustment of treatment when necessary.

When to See a Doctor

Medical advice is important if there are unexplained liver test abnormalities, jaundice, persistent fatigue, abdominal swelling, tremor, coordination problems, speech changes, or new mood or behavior changes. These symptoms can have many causes, but they should be evaluated by a healthcare professional.

Anyone with a close relative diagnosed with Wilson disease should ask a doctor about family screening, even if they feel healthy. Early identification can help guide monitoring and treatment before serious complications develop.

Seek urgent medical care if there is severe jaundice, confusion, vomiting blood, black stools, sudden worsening of abdominal swelling, severe weakness, or signs of serious neurological decline. These may indicate a potentially serious liver or neurological problem that needs prompt assessment.