As my dad got into his 80s -dx'd 20 +yrs ago- mild PD until this last 5 years- his sx increased.
Was on C/L all that time. It worked for him..
Other things..
Bladder urgency issues & meds for that about 6 yrs ago- but after 4 yrs they did not help and created worse side effects - so we stopped those
Mirapex (Pramipexole) was on for many years and fine- for restless leg & PD - finally had to stop that due to side effects & hallucinations/delusions/confusion..

A daily laxative was used to keep things regular this last 5 yrs.

It seemed to me that his body could not process the mix of meds as he aged..each time we dropped a med the side effects calmed down.. until it was time to look at the next one.

We made a padded board for foot of the bed to raise the blankets off his feet, the pressure/weight bothered him also..

I've found out many people my parents know of have different types & levels of PD.

Don't be worried about getting another drs option. It could be a good thing..they might see something to change or try..
some drs get stuck in a treatment plan that doesn't fit everyone.
Dads doc always mentioned options and pros & cons.. we tried a few and stopped if it made things worse.