Sir, I have been suffering from ashy dermatosis for last 4 yrs, now I am receiving treatment from bangladesh, I am taking medicine anasone 100 mg (dapsone ip 100 mg), my doctor told me, if my urine reddish, should stop taking this medicine, but when I drink water more, my urine doesn't seem reddish, but when don't drink water more, my urine seem to be reddish, now what should I do? Will I stop taking this medicine?