Well, I think it comes down to the individual. Protein doesn't bother me - I take Sinemet with meals if that is the way the schedule falls, and it works fine. I've only had PD about 7 years, and , sure, this could change.

Neck and back pain - well, I've had that off and on for years, but much less now that I've started seeing a physical therapist that specializes in neuro problems - and she told me that my posture was awful (okay, that I knew), did some work on my back, (I can't describe what except that it hurt a lot, briefly) and now I stand up straight and Voila! No pain! And I exercise daily. She specializes he helping people with PD get their bodies to working normally again and releasing the tightness....I don't know if PD was the cause of the back, neck problems, but this PT appears to have been a good answer.

Eyes - well, presbyopia is an age-related condition in which the eye can no longer focus properly. Happens most when you are tired. That happens to be my eye problem, as diagnosed by an eye doc, who sees no relation to PD as this is a common condition. Glasses help to correct this. I don't really think a neuro is qualified to diagnose the cause of eye problems, except to say it may be this or that or related or not to PD.

Don't know about the dosing issues - I just know that my Sinemet/Mirapex combo doesn't last as long as it used to - unless I am doing something physical, and then my 3 hour schedule may go to 5 hours....

No advice about which neuro you should see, but don't rule out seeing other specialists just because something may be attributed to Parkinson's. It still needs treating if it bothers you. I would be more put off if my medical providers just wrote off all my ills to PD and, told me nothing could be done, then ignored them!

I guess the purported benefits of the second opinion cut both ways. Good luck negotiating the medical maze....Parkinson's puts us in a very complex situation. It's certainly the most challenging thing I've tried to manage - well, maybe child-rearing is right up there, but that is another forum.