I need to know what is the best way to get off of opiate within a week?

Seek medical help.: It depends on how long you have been on opiates, for what ailment , which opiates and on what dosages. Thus it is difficult to put a time frame until you have been evaluated by an appropriate health care specialist and the above questions answered. Would thus seek appropriates help and a good start would be with an appointment with your pcp. Be well.