My daughter ask Dr Christian Tal Shaller who wrote a few books on the subject of Urotherapy (in french), and he said that there is no problem taking the therapy with allopathic drugs if you don't drink more than a cup a day. Some authors say no more than half a cup. It is a question of not taking too much drugs in the system. Let say for example someone who would take all the urine it passes would double the prescription.

If you want some advice on how to cut on medications you can read the free ebook: http://naturinologie.info/shivambu.pdf