Do Long Term Usage Of Methadone And Oxycodone Cause Adverse Side Effects?

Hello please need help doctors have had me on Methadone high doses for thirteen years an oxy,oxycodone I here they have something out there where you are put to sleep very expensive but don t suffer ?I need help?dont have money right now please answer me 32yr old female MY mothers a nurse an she makes a few $ ahour you doctors are set an im missreable an didn t want to get this way a doctor did this I didn t know then? I know one of you you doctors would please take two min off your time too email me with a little YYYY@YYYY PLEASE!