We already know the application of botilinum toxine drooling in patients with Parkinson's disease. We often recommend that you swallow saliva and chew gum. What are the methods you use in your daily practice?
You may want to consider Glycopyrrolate (Glycopyrronium bromide) as a anti-cholinergic drug. See also: Article Glycopyrrolate for sialorrhea in Parkinson disease: A random...
So far, the latest MDS review details Botulin toxine A & B as efficacious and useful, and deems glycopyrrolate as insufficiently studied but still potentially useful. Another option might be iprotropium bromide spray, however MDS considers this insufficiently studied and as such an investigational treatment. See also: Article Update on treatments for nonmotor symptoms of Parkinson's di...