As nouns the difference between methadone and normethadone
is that methadone is a synthetic opioid analgesic, used to wean addicts off of heroin or other opiate based narcotics, and in chronic pain management while normethadone is a desmethyl derivative of methadone used as a cough suppressant.
methadone
English
Noun
(-)
(chemistry) A synthetic opioid analgesic, used to wean addicts off of heroin or other opiate based narcotics, and in chronic pain management.
normethadone
English
Noun
(-)
A desmethyl derivative of methadone used as a cough suppressant.