Shy-Drager syndrome

Alternative names:

neurologic orthostatic hypotension; Shy-McGee-Drager syndrome

Definition:

A degenerative disorder characterized by progressive damage to the autonomic nervous system (the portion of the nervous system that controls involuntary functions), muscle tremor and rigidity, slow movement, and other widespread neurologic losses.

Causes, incidence, and risk factors:

Shy-Drager syndrome is a rare degenerative condition. It is a condition that appears similar to Parkinson's disease but with more widespread neurologic damage and damage to the autonomic nervous system (the portion of the nervous system that controls involuntary functions).

The cause is unknown. There is progressive damage (degeneration) of the nervous system, with damage to all parts of the nervous system. The disorder develops gradually. It is most often diagnosed in men over 60 years old.