... least 7-10 r's and if I can get it 4-5 opanas a day just to function. I am trying to take methadone and zanis to detox. Last night I took about 9-11 methadone and about 6 low dose zanis. It helped me in the morning, I am just afraid that I'll od if I continue to take that much. Is that a lot of methadone and zanis, or is that about right to detox. This was in about a hour and a half period that I took these pills. Of coarse I was back to heroin and pills today, but man I want to get off the black and r's sooooooo bad!