When I was diagnosed 5 years ago, my family practitioner said I might want to try Inderal/propanolol as it's often used for essential tremor, and might help with pd. I teach at a university and take one 20 mg pill before going into classes, and it has been very beneficial in masking my most visible symptom. No side effects, cheap, been around for ages, and I have classical musician friends who swear by it for stage nerves. It's definitely been an ally.