I have cancer and have been prescibed Marinol now I'm also on probation my Dr was going to give me medical marijuana but in illinois you cannot have a medical pot card if you have a felony possession in your background now my question is since I know they send my urine to a lab for probation will they be able to tell the difference between real pot and Marinol because A. Dr wants me to take real pot for pain rather than addictive pain pills B. I have state insurance now which isn't wanting to cover the Marinol but with the prescription itself I just have to have my P.O photo copy it and no more questions