I used methadone to get through the tough wd now i am on day 4 an am really weak still. I have to back to work monday and give a drug test for a teaching job within the next 2 weeks! Day 4 just really weak, day 5? how about monday? i was taking I 160mg prescribed by a dr. and they will never hire anyone on a narcotic drug. I dedicated my life to this. I has to get better.