It may slow disease progression but effect has been modest.
Treatment is aimed at control of symptoms.
Baclofen or diazepam may be used to control the spasticity that interferes with activities of daily living. Trihexyphenidyl or amitriptyline may be prescribed for people with impaired ability to swallow saliva. Gabapentin may be used for various pain syndromes. A referal to an otolaryngologist may be advised. Emotional support is vital in coping with the disorder, because mental functioning is not affected.