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Huntington's disease

Also called: Huntington's disease

An inherited brain disease causing uncontrolled movements, mood changes, and thinking problems, usually starting at 30 to 50.

Inherited50 percent chance from an affected parent

Overview

Huntington's slowly affects movement, mood, and thinking over 10 to 25 years.

Genetic counseling helps families decide about testing.

Symptoms

Common signs:

  • Uncontrolled movements

Less common

  • Mood changes
  • Memory problems

When to get medical care

Call 911Thoughts of suicide or harming yourself or others: call or text 988, or call 911.
Get care todayFalls.
See a doctor soonSymptoms.

Causes

Gene change.

Does it spread or run in families?

  • It isn't contagious. You can't catch it from someone else.
  • It can run in families. Tell your doctor if a parent, brother, or sister has it.

Who is more likely to get it

  • Family history

Possible complications

Diagnosis

A clinician asks about your symptoms and may order tests.

The exam

A physical exam.

Tests

Tests, if needed:

  • Gene test:

Treatment

Treatment depends on the cause and how severe it is.

Self-care

  • Genetic counseling
  • Therapy and support

Which doctor treats this

  • Start with your primary care provider (family doctor or internist).
  • They may send you to a neurologist (brain and nerve doctor).

Living with it

Support groups and helplines

Children, pregnancy, and older adults

  • Families: Each child of a parent with HD has a 50 percent chance.

Pregnancy and breastfeeding

  • If you're pregnant or planning to be, tell your prenatal provider about this condition.
  • Don't start or stop any medicine on your own. Some are safe in pregnancy and some need to be changed.
  • Ask before taking any pain reliever. The FDA advises avoiding ibuprofen and naproxen after 20 weeks unless your doctor says to.
  • Breastfeeding: Most medicines are fine, but ask. The NIH LactMed database lists what's known about each one.

Outlook

Treatment helps symptoms.

Getting ready for your visit

Bring a list of your symptoms and medicines.

What to bring

  • A list of your medicines and supplements
  • Notes on when symptoms started and what makes them better or worse

Questions to ask

  • What's causing this?
  • What treatment do you recommend?
  • Should I get a genetic test?

Research studies

Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.

Search ClinicalTrials.gov for studies on Huntington's disease

Sources

Last updated 2026-11-12.