is an opioid drug which is used as a pain relief and as a substituted drug for heroin in cases where the patient may become addicted or during Methadone Maintenance Therapy. Methadone has a long effect and is quite effective when taken orally.

METHADONE: "Methadone is a drug used for its analgesic effects and has been used as a substitute drug for heroin in cases of addiction."
Cite this page: N., Pam M.S., "METHADONE," in, April 7, 2013, (accessed September 23, 2021).