I can't speak on the drug costs except so many are so out of sight costwise. My cousin's husband had PD and I knew he was doing good for a long time but passed away from complications of bowel blockage. I am of the mindset that we can do a lot alternatively too for all health issues. This is just one link from Mayo. I'm sure there is more info out there. I'm not saying no on the drugs but adjuncts to them and the body. Magnesium is important.
http://www.mayoclinic.org/diseases-c...e/CON-20028488