Dopamine-responsive dystonia
Dopamine-responsive dystonia (DRD), also known as Segawa's syndrome, is a rare form of dystonia that typically begins in childhood and is characterized by progressive difficulty with walking. The term "dopamine-responsive" refers to the fact that the symptoms of this condition can be alleviated with medications that increase the levels of dopamine in the brain.
Pronunciation
Dopamine-responsive dystonia is pronounced as doh-puh-meen reh-spon-siv dis-toh-nee-uh.
Etymology
The term "dopamine-responsive dystonia" is derived from the neurotransmitter dopamine, which is deficient in individuals with this condition, and the term "dystonia", which is a movement disorder characterized by sustained or intermittent muscle contractions causing abnormal, often repetitive, movements, postures, or both.
Symptoms
The symptoms of dopamine-responsive dystonia often appear in early childhood and may include limb dystonia, diurnal fluctuation of symptoms, parkinsonism, and dyskinesia. The severity and progression of symptoms can vary widely among affected individuals.
Treatment
Treatment for dopamine-responsive dystonia typically involves medications that increase the levels of dopamine in the brain, such as levodopa. These medications can significantly improve or even eliminate the symptoms of this condition.
Related Terms
See Also
External links
- Medical encyclopedia article on Dopamine-responsive dystonia
- Wikipedia's article - Dopamine-responsive dystonia
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