dlor,I was dx 6 yrs ago with pd at 54.Acharacteeristic of parkinson is that it can vary from day to day and hour to hour.Each individual has a different response to this disease as well as the meds.first and foremost dont get discouraged.Meds usually help tremendously.i would also suggest seeing a movement disorder specialist.They are specialized neuros and best for pd.As for tiredness and cramping this unfortunately goes with pd.I would look into ss disability so u can get on medicare.also get on other chat sitesfor as much help as you can get.wishing you the best Ed