Homoeopathy can help Parkinson's Disease but you need to find a skilled homoeopath and to find her/him sooner rather than later.
Finding someone who knows what they are doing can be difficult so take good advice. I directed a relative of mine with PD who lives some way distant to a homoeopath, and the remedies prescribed were way off and did nothing. And that homoeopath came recommended by other homoeopaths to me. So it really can be difficult to find someone competent. Perhaps someone from the US can direct you to someone near you if you say in what locality you reside.

You probably know that once the symptoms start to show a lot of tissue changes have already occurred in the brain, so you need to act swiftly.