Methadone waa daawada opioid-ka ee shaqaynaysa muddo dheer taas oo loo isticmaalo in lagu yareeyo calaamadaha ka-noqoshada dadka qabatimay heroin ama daroogooyinka kale, waxaana sidoo kale loo isticmaali karaa xanuun baabi'iye. Marka methadone loo isticmaalo Dhibaatada Isticmaalka Opioid (OUD) waxay yaraynaysaa calaamadaha ka-noqoshada iyo rabitaanka daroogada laakiin ma keento "sare" ee la xidhiidha qabatinka daroogada. Methadone waa daawo si heer sare ah loo habeeyey oo marka loo isticmaalo OUD waxa kaliya oo la heli karaa iyada oo loo marayo barnaamijyada daawaynta opioid ee la ansixiyay (OTP) taas oo ku lug leh la socodka joogtada ah, la-talinta, iyo baarista daroogada si loo hubiyo in bukaanadu ay horumar ka sameynayaan soo kabashadooda.