Symptoms of Early-Onset Huntington's Disease
Symptoms of early-onset Huntington Disease can include:
- Rapid decline in school performance
- Slowness
- Clumsiness
- Rigidity
- Loss of developmental milestones (such as those involving motor skills)
- Slow speech
- Drooling.
Seizures occur in 30 to 50 percent of individuals with early-onset Huntington disease.
The course of early-onset Huntington disease may be shorter than adult-onset Huntington disease; affected individuals generally survive 10 to 15 years after the disease begins.
Symptoms of Huntington Disease: Summary
The rate of Huntington disease progression, and the age at onset for symptoms of Huntington disease, vary from person to person. Adult-onset Huntington disease most often begins in middle age. Individuals with
juvenile Huntington disease develop symptoms of Huntington disease when they are very young -- before age 20.
There are other variations of Huntington disease distinguished not just by the age at onset, but with the symptoms of Huntington disease they experience. For example, some people develop the disease as adults, but without chorea. They may appear rigid and move very little, or not at all, a condition called akinesia.
In general, the duration of Huntington disease ranges from 10 to 30 years. The most common causes of death are infection (most often pneumonia), injuries related to a fall, or other complications.
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