{"id":13840,"date":"2026-06-04T13:22:18","date_gmt":"2026-06-04T13:22:18","guid":{"rendered":"https:\/\/www.kauveryhospital.com\/blog\/?p=13840"},"modified":"2026-06-04T13:22:18","modified_gmt":"2026-06-04T13:22:18","slug":"huntingtons-disease-explained","status":"publish","type":"post","link":"https:\/\/www.kauveryhospital.com\/blog\/neurology\/huntingtons-disease-explained\/","title":{"rendered":"Huntington\u2019s Disease Explained"},"content":{"rendered":"

Summary\u00a0<\/strong><\/h2>\n

Huntington’s disease is a rare, inherited brain disorder that causes the gradual degeneration of nerve cells, particularly those involved in movement, mood, and thinking. First described by George Huntington in 1872, it usually appears in adulthood, often in a person\u2019s 30s or 40s, though childhood cases can occur. Early symptoms may include irritability, depression, subtle involuntary movements (chorea), poor coordination, and difficulty with concentration or decision-making. As the disease progresses, patients develop more pronounced motor problems, cognitive decline, and behavioural changes such as impulsivity, apathy, and anxiety. Huntington\u2019s disease is caused by a mutation in the HTT gene. Diagnosis involves clinical assessment, brain imaging, and genetic testing. Although there is no cure, treatment focuses on managing symptoms through medication, therapy, lifestyle adaptations, and strong caregiver support to maintain independence and quality of life for as long as possible.<\/p>\n

What is Huntington\u2019s Disease?\u00a0<\/strong><\/h2>\n

Huntington\u2019s Disease is a rare, progressive brain disorder in which neurons in certain zones of the brain start degenerating. The neurons affected by this disease are in control of motor skills, behaviour, mood and cognition. The condition is named after George Huntington, an American doctor who first documented the disease in 1872. The condition most often manifests in adulthood and affects people in their 30s and 40s. Children can also develop Huntington\u2019s Disease, but it is relatively rare. The disease is often hereditary. There is currently no cure for this condition, but there are treatments to help manage the symptoms and improve the patient\u2019s quality of life.<\/p>\n

Symptoms of Huntington\u2019s Disease\u00a0<\/strong><\/h2>\n

Huntington\u2019s disease is a progressive neurodegenerative disease. The symptoms usually start subtly, with irritability, minor involuntary tics, depression, bad co-ordination, trouble with memory and decision making. We can broadly categorise Huntington\u2019s disease symptoms into:<\/p>\n

Motor Symptoms<\/strong> – Patients with Huntington\u2019s disease suffer from involuntary movements affecting different muscles in the body. The technical term for this is chorea. The arms, legs, face and tongue are commonly affected. Patients may experience involuntary jerks or writhing movements. They may have trouble with walking, maintaining an upright posture, balance, speech and swallowing. Patients can also develop muscle rigidity. In addition to the involuntary movements, patients with Huntington\u2019s also have difficulty controlling their voluntary movements. This affects their ability to work, engage in day-to-day activities and function independently.<\/p>\n

Cognitive Impairments<\/strong> – Patients gradually lose their ability to understand new information and make decisions. Their comprehension skills, reasoning skills, judgement and memory slowly erode away. Patients often experience difficulty concentrating, organising, planning, answering questions or solving problems. Some patients also lose awareness of their own behaviour. They may also lose impulse control and behave irrationally.<\/p>\n

Behavioural Symptoms<\/strong> – Patients with Huntington\u2019s are prone to depression<\/a>. This is not just a result of them dealing with their grim diagnosis. The neurons degenerating in their brain cause fundamental changes in how their brain functions. Patients become apathetic, anxious, irritable, impulsive and socially withdrawn. Some patients also experience sleep disorders, schizophrenic episodes, and outbursts or tantrums. Many patients who have strong symptoms associated with impulse control and depression become suicidal. Patients and their immediate caregivers often find the behavioural symptoms to be most challenging to deal with.<\/p>\n

What causes Huntington\u2019s Disease?\u00a0\u00a0<\/strong><\/h2>\n

Huntington\u2019s Disease is caused by a change or mutation in the HTT gene. This gene is responsible for producing a protein called Huntingtin which keeps the neurons in the brain healthy. The Huntingtin protein supports movement, learning and emotional balance. With the mutated form of the HTT gene, the huntingtin protein produced is faulty and begins to form clumps inside the brain cells. This destroys the brain cells slowly and disrupts their ability to communicate. As more brain cells die over time, the symptoms become more intense.<\/p>\n

The mutation in the HTT gene that causes Huntington\u2019s disease is inherited from the parents. Only one biological parent needs to pass on faulty genes for the child to develop the disease. This is called autosomal dominant inheritance.<\/p>\n

Also Read: \u00a0Movement Disorder Clinic \u2013 A Holistic Centre for Your Tremors and Balance Issues<\/a><\/div>\n

Diagnosing Huntington\u2019s Disease\u00a0<\/strong><\/h2>\n

Huntington\u2019s Disease is diagnosed by a combination of clinical evaluation and genetic testing. The patient will be checked for common signs and symptoms of Huntington\u2019s Disease. Neurologists<\/strong> will examine the patient\u2019s personal medical history and family medical history as well. If one of the patient\u2019s biological parents or close relatives has Huntington\u2019s disease, that is vital information to disclose to the doctor for diagnosis. The patient may also undergo an MRI scan to check for changes in the brain, especially the areas that control motor function and coordination. The doctor will also order a genetic test, to check for a mutation in the HTT gene. The patient will meet with a genetic counsellor to help them understand the test results and navigate the implications for them and their family.<\/p>\n

Treatment for Huntington\u2019s Disease\u00a0<\/strong><\/h2>\n

At present, there is no cure for Huntington\u2019s Disease. The goal of treatment is to ease the patient\u2019s symptoms and help them retain independence for as long as possible by slowing the progression of the disease.<\/p>\n

The patient will be prescribed medication to help with mood disorders and behavioural changes. They may be put on SSRIs, antipsychotic medications and mood stabilisers. The doctor may also prescribe VMAT2 inhibitors to reduce involuntary movements and spasms. Sometimes, patients with muscle stiffness may be prescribed Parkinson\u2019s disease medication. It is very important to take the medications only as prescribed by the neurologists<\/strong><\/a>, and report back for regular follow-ups so they can adjust the dosage if needed.<\/p>\n

Patients with Huntington\u2019s disease also require a good support system. This means empathetic caregivers, adaptive equipment, safety in the home environment and therapy. Huntington\u2019s patients are recommended walkers, special utensils and any other mobility or functional aids they may need to be independent. The disease is long-term, and after diagnosis it is important to adapt the home environment to suit the patient\u2019s needs. The house needs to be rid of trip hazards like loose cords, slippery rugs and uneven flooring.<\/p>\n

Counselling, for the patient and the caregivers, is a key part of managing the condition. The patient needs professional support to deal with the changes in their life, and the looming knowledge that it will get worse and not better with time. The patient can also benefit from physical therapy<\/a>, occupational therapy and speech therapy to teach them how to function despite any deficits they may have.<\/p>\n

The outlook isn\u2019t all glum for Huntington\u2019s patients – Researchers are experimenting with new treatments that can slow the progression of the disease. Speak to your doctor about possible clinical trials in your region that you may be eligible for.<\/p>\n

If you or a loved one are experiencing symptoms of Huntington\u2019s disease or need expert neurological care, the specialists at Kauvery Hospital are here to help. With branches in Chennai, Hosur, Salem, Tirunelveli, and Trichy, our team provides comprehensive support, diagnosis, and personalised treatment for neurological conditions<\/a>.<\/p>\n

Frequently Asked Questions<\/strong><\/h2>\n

What is Huntington\u2019s disease?<\/strong><\/p>\n

Huntington\u2019s disease is a rare inherited neurological disorder that causes the progressive breakdown of nerve cells in the brain. It affects movement, thinking, emotions, and behavior, with symptoms usually appearing between the ages of 30 and 50.<\/p>\n

What are the early signs of Huntington\u2019s disease?<\/strong><\/p>\n

Early symptoms may include mood changes, irritability, depression, poor coordination, involuntary movements, difficulty concentrating, and memory problems. These signs often develop gradually and may be mistaken for other conditions initially.<\/p>\n

Is Huntington\u2019s disease hereditary?<\/strong><\/p>\n

Yes. Huntington\u2019s disease is caused by a mutation in the HTT gene and follows an autosomal dominant inheritance pattern. A child has a 50% chance of inheriting the condition if one parent carries the faulty gene.<\/p>\n

How is Huntington\u2019s disease diagnosed?<\/strong><\/p>\n

Diagnosis typically involves a neurological examination, review of family history, brain imaging such as MRI, and genetic testing to confirm the presence of the HTT gene mutation.<\/p>\n

Can Huntington\u2019s disease be cured?<\/strong><\/p>\n

Currently, there is no cure for Huntington\u2019s disease. Treatment focuses on managing symptoms, maintaining independence, improving quality of life, and providing emotional and physical support to patients and caregivers.<\/p>\n

What treatments are available for Huntington\u2019s disease?<\/strong><\/p>\n

Treatment may include medications to control involuntary movements, mood disorders, and behavioral symptoms, along with physical therapy, occupational therapy, speech therapy, and psychological counseling.<\/p>\n

When should I see a neurologist for Huntington\u2019s disease symptoms?<\/strong><\/p>\n

You should consult a neurologist if you notice unexplained movement problems<\/a>, personality changes, memory difficulties, or if there is a family history of Huntington\u2019s disease. Early diagnosis can help with symptom management and future planning.<\/p>\n

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