When someone is diagnosed with Huntington’s disease, it’s not just a medical label-it’s a life shift. There’s no cure. No magic pill. But there is something powerful: care planning. And understanding the genetics behind it, and what chorea really means, changes everything about how you face the future.
How Huntington’s Disease Is Passed Down
Huntington’s disease doesn’t skip generations. If one parent has it, each child has exactly a 50% chance of getting the mutated gene. It doesn’t matter if you’re male or female. The gene doesn’t care. It’s on chromosome 4, and it’s called HTT. What goes wrong is a tiny glitch: a string of CAG letters repeats too many times. Normal is 10 to 26 repeats. If you have 40 or more, you will develop Huntington’s. Between 36 and 39? You might, or you might not. But if you do, your kids are at higher risk.The bigger the repeat count, the earlier symptoms start. A repeat of 40 to 50 usually means symptoms show up in your 30s or 40s. But if it’s 60 or more? That’s juvenile Huntington’s-symptoms can hit before age 20, sometimes even before 10. And here’s the cruel twist: if the gene comes from your father, the repeats are more likely to grow bigger. That’s why about 90% of childhood cases come from dads. This isn’t random. It’s biology. And it’s why genetic counselors stress testing before having kids.
People often delay genetic testing. They fear the result. They worry about insurance, jobs, or how their family will react. But waiting doesn’t change the outcome. And without knowing, you can’t plan. In specialized clinics, 95% of at-risk people get counseling before testing. That’s not just advice-it’s protection.
What Chorea Really Looks Like
Chorea is the name for the dancing, jerky movements that give Huntington’s its old nickname: “St. Vitus’ Dance.” But it’s not dancing. It’s uncontrollable. A hand might twitch while you’re holding a cup. Your foot taps when you’re sitting still. Your face scrunches without you meaning to. These movements don’t stop when you’re asleep. But they get worse when you’re stressed, tired, or trying to focus.Doctors measure chorea using the Unified Huntington’s Disease Rating Scale. A score of 0 means no movement. A score of 4 means constant, wild motion that interferes with everything-eating, walking, talking. Early on, chorea might be mild, just a flicker in the fingers or toes. Later, it spreads. The arms, legs, neck, even the tongue move on their own. And then, as the disease progresses, something unexpected happens: the chorea fades. Not because it’s better. Because the brain is losing more neurons. What replaces it? Stiffness, slow movements, trouble swallowing. That’s when falls and choking become real dangers.
The only FDA-approved drugs for chorea are tetrabenazine and deutetrabenazine (Austedo). They reduce movements by about 25% on average. But they come with heavy side effects: depression, fatigue, sleepiness. Some people can’t tolerate them. Others choose not to take them because they don’t want to numb themselves further. That’s a personal call-and it’s valid. Physical therapy helps more than drugs for many. Aquatic therapy, in particular, improves balance 35% better than land-based exercises. Water supports the body. It lets people move without fear of falling.
Why Care Planning Isn’t Optional
Huntington’s isn’t just about movement. It’s about memory, mood, and making decisions. People forget names, lose focus, struggle to follow conversations. Depression and anxiety are common. Suicidal thoughts affect up to 27% of patients. And as motor control fades, so does independence. Eating becomes hard. Speaking gets slurred. Swallowing gets risky. One mistake-inhaling food-can lead to pneumonia, the leading cause of death.That’s why care planning starts the day you’re diagnosed. Not next year. Not when things get worse. Now.
Early stage (first 5 years): Talk to a genetic counselor. Update your will. Name a healthcare proxy. Talk to your employer about accommodations. You might still work. You might need flexible hours. You might need to switch roles. Don’t wait until you can’t do it anymore.
Mid stage (5 to 15 years): Occupational therapy helps with dressing, cooking, bathing. Speech therapy tackles slurred speech and swallowing. About 65% of people need help with daily tasks by year 10. Most don’t get it until it’s too late. Why? Because care isn’t coordinated. You see a neurologist. Then a psychiatrist. Then a therapist. Then a social worker. If they don’t talk to each other, you fall through the cracks.
Specialized Huntington’s clinics-there are 53 in the U.S.-do this right. They bring everyone together. Neurologist, therapist, nutritionist, social worker. They meet quarterly. They track your UHDRS score. They adjust care as you change. Patients in these clinics live 2.3 years longer on average. They’re 32% less likely to end up in the hospital with pneumonia. And suicide rates drop by 58%.
The Real Cost of Not Planning
Care for Huntington’s isn’t cheap. By year 20, 89% of patients need full-time residential care. Annual costs hit $125,000. Most of that isn’t covered by insurance. Out-of-pocket spending for therapies, equipment, home modifications? Over $5,000 a year for 42% of U.S. families. Many skip physical therapy because they can’t afford it. Others delay advance directives because they don’t know where to start.One caregiver on the HDSA forum said: “The hardest part isn’t the chorea or even knowing I’ll decline-it’s watching my family try to plan for my deterioration while I’m still here.” That’s the emotional weight no drug can touch.
Only 38% of U.S. neurologists follow the official HDSA care guidelines. Most patients get care from general doctors who don’t know HD’s unique progression. That’s why survival and quality of life vary so wildly. Someone in Boston with access to a specialty clinic lives longer, stays home longer, and has fewer emergencies than someone in rural Alabama.
What’s Changing-and What’s Still Missing
There’s hope on the horizon. New drugs are in trials. Wave Life Sciences’ SELECT-HD trial showed a 38% drop in the toxic huntingtin protein. Roche’s tominersen, after being paused, is being tested again with safer doses. But even if these work, they won’t help the 40,000+ Americans already living with symptoms. For them, care planning is the only treatment that works today.The Huntington’s Disease Society of America wants to expand specialty clinics to cover 85% of U.S. patients by 2025. Right now, only 62% have access. In Europe, it’s worse-only 28% get comprehensive care. That’s a gap of lives lost, not just to disease, but to neglect.
What can you do? If you or someone you love has HD:
- Find a certified HD center-even if you have to travel.
- Start advance care planning within six months of diagnosis.
- Document your wishes: Do you want a feeding tube? A ventilator? CPR?
- Connect with other families. Reddit’s r/huntington has over 12,000 members. HDSA’s forum has real stories.
- Ask for aquatic therapy. It’s proven. It’s affordable. It’s life-changing.
There’s no cure yet. But there’s a way to live better, longer, and with more dignity. It starts with knowing your genetics. Understanding your symptoms. And planning-not hoping-for what’s ahead.
Can you get Huntington’s disease if neither of your parents had it?
No. Huntington’s disease is inherited in an autosomal dominant pattern. That means you must inherit the mutated gene from at least one parent. If neither parent has the gene, you cannot develop HD. Very rarely, a new mutation can occur, but this is extremely uncommon-less than 1% of cases. Most people with HD have a known family history.
Is chorea the only symptom of Huntington’s disease?
No. Chorea is the most visible symptom, but HD affects the whole brain. Cognitive decline-trouble with memory, focus, and decision-making-is just as disabling. Psychiatric symptoms like depression, anxiety, irritability, and obsessive behaviors are common. In later stages, chorea often fades, replaced by rigidity, slow movement, and trouble swallowing. These later symptoms are often more dangerous than the dancing movements.
Can genetic testing predict when symptoms will start?
It gives a strong estimate, but not an exact date. The number of CAG repeats correlates with likely age of onset. For example, 40-50 repeats usually means symptoms appear between ages 35 and 55. Over 60 repeats often means onset before age 20. But even with the same repeat count, two people can develop symptoms years apart. Lifestyle, environment, and unknown genetic factors play a role. Testing tells you if you’ll get it-not exactly when.
Why is aquatic therapy recommended for people with Huntington’s?
Water supports the body, reducing the risk of falls during movement. For people with chorea and poor balance, land-based exercises can be dangerous. Aquatic therapy improves coordination, strength, and mobility with less strain. Studies show it’s 35% more effective than land therapy at improving balance. It also helps with mood and reduces pain. Many patients find it the only form of exercise they can still enjoy as the disease progresses.
What happens if you don’t create an advance directive for Huntington’s?
Without an advance directive, medical decisions fall to family members or the court. This can lead to unwanted interventions-like feeding tubes or ventilators-when the person would have refused them. It also causes conflict among family members who disagree on care. In HD, where mental capacity declines over time, waiting until you’re unable to speak means losing control over your own care. Completing a living will and naming a healthcare proxy gives you power when you still have it.
Are there any new drugs on the horizon for Huntington’s?
Yes. Several experimental drugs are in clinical trials. Wave Life Sciences’ SELECT-HD trial showed a 38% reduction in the toxic huntingtin protein. Roche’s tominersen is being tested again with safer dosing. Valbenazine (Ingrezza) was approved in 2023 as a second chorea treatment. But none of these stop or reverse the disease yet. They manage symptoms or target the root cause in early trials. For now, care planning remains the most effective intervention.
How can families afford HD care costs?
Many families struggle. Out-of-pocket costs average over $5,000 a year for non-covered therapies. Some turn to Medicaid, disability benefits, or nonprofit grants. The Huntington’s Disease Society of America offers financial aid resources and connects families with social workers who specialize in navigating insurance and benefits. Local chapters may also offer therapy subsidies. Planning ahead-applying for disability early, exploring home care programs-can ease the financial burden.
Written by Mallory Blackburn
View all posts by: Mallory Blackburn