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.”

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Mohammed Looti, PSYCHOLOGICAL SCALES (2023) METHADONE. Retrieved from DOI: 10.13140/RG.2.2.31575.96163