 [ Symptoms ] i am 64 years old retired and will not be 65 for 11 more months i have a pre existing condition leukemia 17 years ago and am in good health not overweight do not smoke exercise daily and eat a healthy diet 85 of the time we moved to illinois in feb of this year from arizona i have az blue cross blue shield presently but il blue cross blue shield denied me coverage in the spring of this year will il blue cross blue shield have to offer me coverage if i apply to them after jan 1 2014 [ Disease ] potassium supplements should not interfere with pd medications however too high or too low levels of potassium may produce neurological symptoms or potentially make pd symptoms a bit worse if you are concerned about this a simple blood test by your doctor can make sure your potassium is in the right range