Symptoms of this syndrome can include: dizziness or fainting when standing up (known as postural or orthostatic hypotension); incontinence; muscular tremors; impotence; dry mouth and skin; vision problems; trouble regulating body temperature due to abnormal sweating; breathing difficulties; Parkinson-like tremors.
Most people with this syndrome are disabled within 7-8 years of the initial onset of symptoms; few live longer than 15 years afterwards.