maulparking,
Welcome to the forum.
It is now 4 years since I posted this thread and 16 years since diagnosis. I'm still on the same drug regimen and doing well(ish). My motor symptoms are OK, I can still walk long distances. But non-motor symptoms have worsened, with speech becoming a problem.
To see how your levodopa levels change with time use:
https://www.parkinsonsmeasurement.or...cokinetics.htm
John