Stop taking it and your system will eventually clear. Do not try and flush it out, this does not work and 'potion' remedies may harm you. If you are concerned that the drug may have harmed you you...
Methadone has a very long half life compared to most opioids (24-36hrs) but you should be fine after 4 days for a drug test depending on how much you took.
no it can't methadone is a water soluble drug goes out the urinal track
i go to the methadone clinic & people who work outside in the heat sometimes have to take higher doses of methadone because...