

Sounds like from stiffness and shortening muscles causing cramping . My husband seems better when he takes a low dose of Amitriptyline at bedtime
Just picked up you comment on depression . Amitriptyline is an antidepressant whis in small doses is also prescribed for nerve pain . So it should help with your depression . I think most people with Parkinsons are troubled by depression . Another one of the many symptoms .