dopa-responsive dystonia

dopa-responsive dystonia A disease characterized by progressive difficulty in walking and in some cases by spasticity. Abbreviated DRD. DRD begins in childhood or adolescence. It can be successfully treated with drugs. Segawa dystonia is an important variant of DRD. Some scientists feel that DRD is not only rare but also rarely diagnosed because it mimics many of the symptoms of cerebral palsy. Medications that affect the chemical nerve transmitter dopa can improve symptoms.