What Is Up With Cutting Down Patient Medicatine, For Example

what is up with cutting down patient medicatine, for example my dr. gave me tramadol for 8 yrs.all of sudden he cut it down from 120 per month ti 60 pills then he said it was opoid I did not know opoid from Tylenol he put me on it because it takes away my leg syndrome which I inherit from my grandmother what should I do no other pill gives me relief except that pil . do you have a solution,